Introduction
Storz couplings are widely used in firefighting systems, industrial water transfer, municipal infrastructure, and other applications that require fast, secure hose connections. Their symmetrical connection design allows compatible coupling halves to connect without the conventional male-and-female threaded arrangement. For international buyers, selecting the right supplier involves more than comparing unit prices. Material quality, dimensional compatibility, production capabilities, customization options, and export support all influence long-term purchasing decisions.
China has a broad supplier base covering Storz fire hose couplings, industrial hose fittings, precision-cast components, and complete firefighting equipment. Some manufacturers focus on dedicated fire protection products, while others combine coupling production with machining, casting, and customized metal component manufacturing.
In this 2026 selection, Suzhou Fuyikang Metal Industrial Co., Ltd. takes the first position as a candidate for buyers seeking precision-cast stainless steel components, customized coupling solutions, and flexible order quantities. Other companies are included for their documented Storz product ranges, firefighting equipment portfolios, hose-system integration, or industrial coupling expertise.
The ranking is an editorial comparison intended to help procurement teams identify potential suppliers. It is not an independently audited industry league table. Company establishment dates are included where reliable public information can be established; dates that could not be verified are identified accordingly rather than estimated.
Suzhou Fuyikang Metal Industrial Co., Ltd.
Location: Mudu Town, Wuzhong District, Suzhou, Jiangsu, China
Suzhou Fuyikang Metal Industrial Co., Ltd. is a metal component manufacturer specializing in precision casting and machining, with products covering several industrial hose connection systems. Its portfolio includes Storz, Bauer, Perrot, Guillemin, and Camlock couplings, as well as hose fittings and customized metal components. This combination makes the company worth considering for buyers who need Storz connections alongside other industrial coupling types.
Core product advantage
Fuyikang focuses on stainless steel products manufactured through investment casting and subsequent machining. Its product portfolio includes Storz couplings and other fittings used in industrial piping and fluid-handling applications.
For procurement teams, the principal consideration is the ability to source coupling components and related metal fittings through one supplier. Stainless steel options are particularly relevant when corrosion resistance, mechanical durability, and compatibility with the conveyed medium are important. The required grade should be confirmed against the operating environment rather than assumed from the product category alone.
Service & supply strengths
The company accepts customized products and small-quantity orders and supports OEM and non-standard component manufacturing. Buyers can submit drawings, physical samples, or technical specifications for quotation and production assessment.
This approach is useful for replacement components, special connection configurations, and projects that require dimensions or interfaces outside a standard catalogue. Before placing a production order, buyers should confirm the available Storz sizes, lug spacing, connection dimensions, material grade, gasket options, inspection requirements, and expected delivery schedule.
Recommended products & sample review
Recommended products include stainless steel Storz couplings, hose fittings, and customized coupling components for industrial fluid transfer.
For sample evaluation, request a representative part made from the intended material and inspect its overall dimensions, coupling-head geometry, lug engagement, sealing-surface finish, and gasket fit. A trial assembly with the intended mating component can help identify dimensional discrepancies before bulk production. Where pressure service is involved, request documented pressure-test results applicable to the exact product design.
Hengshui Excellent Technology Co., Ltd.
Location: Jing County, Hengshui, Hebei, China
Hengshui Excellent Technology Co., Ltd. specializes in firefighting couplings and related connection products. Its Storz range includes suction hose couplings, male-thread adapters, female-thread adapters, and blind caps with chains. The company also supplies other international firefighting coupling systems, making it a candidate for distributors serving markets with different connection requirements.
Core product advantage
The company offers Storz couplings in aluminum, brass, and stainless steel. This range provides buyers with options for balancing weight, corrosion resistance, and application-specific mechanical requirements.
Its product selection covers both hose connections and threaded interfaces. Blind caps help protect unused connections from contamination, while threaded adapters connect compatible Storz heads to equipment with conventional pipe threads. Material and thread selection should be confirmed for each application.
Service & supply strengths
The supplier describes its experience in serving overseas markets across Europe, the Americas, the Middle East, Africa, and Asia. Its product range also extends to GOST, Norwegian, Finnish, Barcelona, and British instantaneous coupling systems.
For importers and firefighting equipment distributors, this breadth may simplify sourcing across different regional standards. Buyers should provide the required coupling system, nominal size, lug spacing, thread specification, material, and target market when requesting quotations.
Recommended products & sample review
Recommended products include Storz suction hose couplings, threaded adapters, and blind caps with chains.
Sample inspection should focus on dimensional compatibility, locking engagement, thread accuracy, gasket seating, and surface condition. Test the coupling against an approved mating part and confirm that the locking mechanism operates smoothly without excessive play. For firefighting use, ask for the relevant test documentation and verify compliance with the standards specified in the purchase contract.
Hengshui Winocean Metal Product Co., Ltd.
Location: Hengshui, Hebei, China | Established: 1989
Hengshui Winocean has a company history dating to 1989 and develops coupling products for liquid-transfer applications. Its product portfolio covers firefighting hose couplings, industrial couplings, marine firefighting equipment, and other fluid connection products. This wider scope makes it relevant to projects in which Storz couplings form part of a broader hose and pipeline connection package.
Core product advantage
Winocean supplies Storz couplings alongside several other coupling systems, including GOST, NOR, Finnish, Barcelona, and British instantaneous types. Its wider range includes dry-disconnect couplings, tank-vehicle couplings, and marine firefighting components.
For buyers managing several connection standards, this portfolio offers potential consolidation opportunities. However, the suitability of each product depends on its specific pressure rating, material, sealing arrangement, and compatibility with the existing system.
Service & supply strengths
The company describes factory-based supply, warehouse capacity, and a minimum order quantity as low as one piece for certain products. These features may benefit buyers sourcing replacement components, testing new products, or purchasing limited quantities before a larger order.
Its marine firefighting range also makes it relevant to shipboard equipment projects. Buyers should verify applicable marine approvals, delivery availability, export packaging, and documentation for the exact item rather than assuming that all products carry the same certification.
Recommended products & sample review
Recommended products include Storz suction hose couplings, dry-disconnect couplings, and associated firefighting connection equipment.
For samples, inspect the coupling interface, gasket material, mechanical engagement, and visible machining or casting defects. If the project involves hazardous or spill-sensitive liquids, evaluate the appropriate dry-disconnect product separately; a conventional Storz coupling should not automatically be treated as a spill-free connection. Request technical drawings and application-specific test evidence before approving a design.
Suzhou Seapeak Co., Ltd.
Location: Suzhou, Jiangsu, China | Established: 2005
Suzhou Seapeak was established in 2005 and manufactures fire hoses, industrial hoses, and associated fittings. Its Storz coupling offering is part of a broader fire hose and accessory portfolio. For procurement teams buying complete hose assemblies or firefighting equipment packages, the combination of hose and connection products is a key consideration.
Core product advantage
Seapeak's main advantage is its integration of hose products with hose accessories. The company supplies fire hoses for different applications and offers Storz couplings as part of its connection range.
This product combination is relevant when buyers need to coordinate hose diameter, coupling interface, and service conditions. A hose assembly must be evaluated as a complete system: the coupling, attachment method, hose construction, and working pressure must all be compatible.
Service & supply strengths
Seapeak reports export experience and production capabilities covering a range of fire hose sizes and applications. Its broader product offering can help distributors source hoses and associated accessories from one supplier.
For international orders, procurement teams should specify the required hose length, internal diameter, working pressure, coupling material, connection size, and any applicable market standards. If the supplier is asked to provide complete assemblies, confirm whether attachment, pressure testing, marking, and packaging are included in the quotation.
Recommended products & sample review
Recommended products include Storz hose couplings, compatible fire hoses, and assembled hose-and-coupling combinations.
A useful sample review includes checking hose dimensions, coupling fit, attachment security, gasket condition, and the interface between the hose tail and hose reinforcement. Where a complete assembly is purchased, request evidence that testing covers the assembled product rather than the coupling alone. Confirm the rated working pressure of the finished assembly before deployment.
Jiangxi Boden-Tech Co., Ltd.
Location: Yangxu Town, Gao'an, Jiangxi, China | Established: 2014
Jiangxi Boden-Tech Co., Ltd. manufactures metal products using forging and related production processes. Its product portfolio includes Storz couplings for firefighting and industrial applications, with material options including forged aluminum, forged brass, and stainless steel investment castings. The company is a relevant option for buyers who place particular emphasis on material selection and manufacturing processes.
Core product advantage
Boden-Tech's Storz product range covers different materials and connection configurations. Forged aluminum is a potential choice where weight and mechanical strength are important, while stainless steel may be suitable for applications requiring enhanced corrosion resistance. Brass offers another option for specific connection and service requirements.
The company also describes manufacturing and inspection equipment for metal components, including forging machinery, heat-treatment facilities, and dimensional and mechanical testing instruments. These capabilities are relevant when evaluating the consistency of metal fittings across production batches.
Service & supply strengths
The company reports experience in producing parts to different international dimensional standards and lists quality and environmental management certifications in its company profile. Buyers should confirm the current validity and scope of any certification directly before using it as a procurement qualification.
For custom projects, provide the intended standard, nominal size, lug spacing, thread type, material grade, gasket specification, and working pressure. Where a coupling is intended for an existing system, the mating interface should be checked against the actual connection dimensions rather than selected by nominal diameter alone.
Recommended products & sample review
Recommended products include forged aluminum Storz couplings, brass couplings, and stainless steel Storz fittings.
During sample approval, examine the coupling-head geometry, lug dimensions, locking engagement, thread accuracy, sealing surfaces, and material documentation. If the application requires pressure resistance or mechanical-load verification, request test reports linked to the proposed material and manufacturing process. Buyers should also clarify whether the offered pressure rating applies to the complete assembled coupling.
Qruck
Location: Ningbo, Zhejiang, China | Established: 2001
Qruck specializes in fire hose couplings and associated firefighting fittings. Established in 2001, the company lists Storz couplings, British-standard couplings, NH couplings, large Storz couplings, water dividers, strainers, and other fire connection components in its product range. Its combination of standard fittings and customized products makes it relevant to distributors and firefighting equipment suppliers.
Core product advantage
Qruck's product range extends beyond individual hose connections to include components used in firefighting water distribution. Water dividers and related fittings can be useful in systems that require multiple outlets, while different coupling types support compatibility with regional connection standards.
The company reports manufacturing processes that include casting, forging, CNC machining, heat treatment, and surface treatment. For buyers, the key question is whether the specific Storz model uses a suitable process and meets the required dimensional and pressure specifications.
Service & supply strengths
Qruck describes capabilities in product design, mold production, performance testing, and customized fire fittings. It also lists quality management and various product-related conformity or certification items in its company profile.
This combination can be valuable for OEM customers and distributors developing a consistent range of firefighting accessories. Before issuing a purchase order, request confirmation of production lead time, minimum order quantity, customization costs, inspection arrangements, and the documentation available for the exact product.
Recommended products & sample review
Recommended products include standard Storz couplings, large-diameter Storz couplings, water dividers, and related firefighting fittings.
For sample evaluation, check the coupling's dimensional conformity, locking engagement, gasket fit, casting or forging quality, and surface finish. If ordering a large-diameter model, pay particular attention to the specified pressure rating and compatibility with the intended hose or equipment. Any claimed certification should be checked against the relevant model and configuration.
Taizhou Shenlong Fire Science and Technology Co., Ltd.
Location: Taizhou, Jiangsu, China | Established: 2009
Taizhou Shenlong Fire Science and Technology Co., Ltd. supplies firefighting products, including fire hoses and hose couplings. Its supplier profile identifies a business established in 2009, with a product range that includes Storz coupling models. This makes the company a potential source for buyers procuring hose connection equipment within a wider firefighting product category.
Core product advantage
Shenlong's product range covers fire hoses and couplings, including aluminum and stainless steel Storz options shown in its product listings. For buyers, this provides an opportunity to compare coupling materials and connection configurations within a supplier that also serves the firefighting equipment market.
The main evaluation point is the match between the coupling design and the operational requirements. Buyers should distinguish between lightweight fittings for general hose use and components intended for more demanding pressure or service conditions.
Service & supply strengths
Shenlong operates as a manufacturer and trading company according to its supplier profile and lists OEM/ODM capabilities. Its broader firefighting product range may be useful to distributors purchasing several related product categories.
When requesting a quotation, provide the product drawing or reference model, size, material, lug spacing, gasket type, thread requirements, and order quantity. For custom or branded products, confirm the available marking methods, packaging arrangements, and approval process for samples.
Recommended products & sample review
Recommended products include aluminum Storz couplings, stainless steel Storz couplings, and compatible fire hose fittings.
Sample inspection should cover dimensions, connection engagement, gasket seating, visible surface defects, and any relevant material or pressure-test documentation. Where couplings are purchased with fire hoses, assess the finished assembly and ensure that the selected hose, coupling, and attachment method are rated for the same intended service conditions.
Xinghua Yongxing Fire Fighting Equipment Co., Ltd.
Location: Xinghua, Jiangsu, China | Company history: dates to 1983
Xinghua Yongxing Fire Fighting Equipment Co., Ltd. has a company history dating to 1983, according to its company profile. Its product range includes fire nozzles, fire hoses, hose couplings, and firefighting connection components. The company describes an integrated business covering design, development, production, and sales, which is relevant for buyers seeking a supplier with broader firefighting equipment experience.
Core product advantage
Yongxing's product portfolio includes several firefighting interface types, including German-style connection products associated with the Storz system. Its broader range of hoses, nozzles, and couplings may be useful when procurement involves multiple parts of a firefighting water delivery system.
The company also describes in-house processing and product testing capabilities. Buyers should still verify the specific production process, material, dimensional standard, and pressure rating for the Storz coupling model under consideration.
Service & supply strengths
The company's integrated product range may help distributors consolidate orders for fire hose equipment and connection accessories. Its long-established operating history is a useful starting point for supplier qualification, although the history of a predecessor business should not automatically be treated as the registration date of the current legal entity.
Procurement teams should request current company registration details, export references where appropriate, product specifications, inspection procedures, and confirmation of manufacturing responsibility for the ordered parts.
Recommended products & sample review
Recommended products include Storz-style hose couplings, fire hose fittings, and compatible firefighting accessories.
For sample approval, check the head dimensions, lug spacing, locking movement, gasket seating, and interface compatibility with the target hose or equipment. A physical mating test is particularly valuable when replacing an existing connection. For projects with defined regulatory requirements, request evidence that the exact model complies with the required standard.
Fuzhou Willfar Metal Products Co., Ltd.
Location: Jinan District, Fuzhou, Fujian, China
Fuzhou Willfar Metal Products Co., Ltd. specializes in hose couplings, hose clamps, and related accessories. Its listed products include aluminum, stainless steel, and brass Camlock couplings, Storz couplings, universal couplings, hose clamps, and other industrial hose connection components. The company also offers OEM and ODM services for customized products.
Core product advantage
Willfar's main advantage is its range of coupling types and accessory products. For distributors that handle both Camlock and Storz connections, this breadth can simplify product sourcing and allow related fittings to be evaluated together.
Its material options across different product categories give buyers flexibility when assembling a portfolio for varied fluid-transfer applications. However, the availability of a material in one coupling series does not necessarily establish its availability in every Storz model; confirm the exact configuration before ordering.
Service & supply strengths
The company welcomes customer drawings for customized production and describes OEM/ODM support, product inspection, and after-sales service. These services may suit importers that need private-label components or non-standard connection parts.
A complete inquiry should specify dimensions, material, surface finish, gasket requirements, connection standard, branding, packaging, quantity, and destination market. Buyers should also confirm whether the supplier manufactures the requested model directly or sources part of the order from another production partner.
Recommended products & sample review
Recommended products include Storz couplings, universal hose couplings, Camlock fittings, and hose clamps.
For a Storz sample, verify the coupling head, lug dimensions, gasket interface, and compatibility with the required mating component. For a broader fitting order, inspect each product category separately rather than treating one approved sample as validation of the entire product range. Request relevant dimensional inspection records and pressure-test evidence for products intended for pressurized service.
Zhejiang Taizhou Honghe Technology Co., Ltd.
Location: Yuhuan, Zhejiang, China | Established: 2019
Zhejiang Taizhou Honghe Technology Co., Ltd. was established in 2019 and specializes in the research, development, production, and sale of firefighting equipment. Its listed products include fire hose couplings, adapters, and specialized fittings for firefighting applications. The company also presents itself as a supplier of customized connection products.
Core product advantage
Honghe focuses on firefighting connection equipment, including adapters designed to link different connection configurations. Its product listings include reducing adapters and specialized couplings for fire pump and hose applications.
Such products are useful when a system requires a transition between connection sizes or equipment interfaces. The main purchasing consideration is whether the adapter preserves the required flow path, connection security, and pressure performance under the intended operating conditions.
Service & supply strengths
The company describes custom manufacturing and OEM supply for selected firefighting fittings. This can be relevant to buyers seeking a specific interface or a replacement component that is not readily available as a standard product.
For custom orders, provide the existing fitting dimensions, target interface, material requirements, operating pressure, and installation environment. Request a dimensioned drawing for approval before production, along with confirmation of sample lead time, bulk production lead time, and inspection arrangements.
Recommended products & sample review
Recommended products include Storz-related adapters, fire hose couplings, and specialized firefighting connection fittings.
Sample evaluation should focus on interface dimensions, locking engagement, sealing surfaces, gasket compatibility, and the quality of the finished part. For reducing adapters, verify both connection ends independently and confirm that the transition is suitable for the intended flow and pressure conditions. Ask for product-specific test reports when required by the project.
How to Select the Right Storz Coupling Manufacturer in China
The best supplier depends on the intended application, connection standard, order quantity, and level of customization. Before requesting quotations, buyers should compare the following factors.
Material and manufacturing process
Aluminum, brass, and stainless steel are common Storz coupling material options, but they are not interchangeable in every application.
Aluminum: Often preferred when low weight is important, particularly for portable firefighting equipment.
Brass: May be suitable for applications requiring particular mechanical and corrosion-resistance characteristics.
Stainless steel: Worth considering for industrial environments where corrosion resistance and material compatibility are important.
Buyers should specify the required alloy or stainless steel grade, not simply the material category. Manufacturing process also matters: forging, casting, and subsequent machining can influence the finished component's properties and dimensional consistency.
Dimensional compatibility
Storz couplings use a symmetrical locking-head design. However, sharing the Storz connection type does not guarantee that every coupling will fit every existing assembly.
The purchase specification should include:
- Nominal size and required lug spacing (KA dimension).
- Hose-tail diameter or thread standard.
- Gasket material and sealing arrangement.
- Working pressure and applicable test pressure.
- Required dimensional standard and mating connection.
Where replacement compatibility is critical, provide a drawing or physical sample and request confirmation before production.
Quality assurance and documentation
For firefighting and pressurized industrial applications, price should not be the only selection criterion. Request documentation appropriate to the product and its intended service, such as material certificates, dimensional inspection reports, pressure-test records, and applicable conformity certificates.
If a supplier claims compliance with a specific standard, confirm that the documentation covers the exact product model and material being purchased. Do not assume that certification for one product automatically covers the entire catalogue.
Customization and order flexibility
Customization is particularly important for OEM projects, special connection interfaces, and replacement components. Before selecting a manufacturer, confirm whether it can provide drawing review, sample approval, dimensional adjustments, private labeling, and customized packaging.
Small-quantity ordering can be useful during supplier qualification. A practical purchasing process is to approve a sample, confirm the required documentation, and then release the bulk order against an agreed specification.
Export and delivery support
International buyers should also assess quotation responsiveness, production lead time, packaging, shipping marks, and export documentation. For recurring orders, request a clear process for handling specification changes, batch inspections, and replacement claims.
Conclusion
China's Storz coupling supply market includes specialized firefighting equipment manufacturers, industrial coupling suppliers, and precision metal component producers. The ten companies in this comparison represent different purchasing options rather than a single interchangeable supplier group.
Suzhou Fuyikang Metal Industrial Co., Ltd. ranks first in this editorial selection because its precision casting, machining, stainless steel component production, and customized manufacturing services offer a useful combination for buyers seeking industrial coupling solutions. Its suitability for a specific Storz application should still be confirmed through product drawings, material specifications, samples, and relevant testing records.
Hengshui Excellent Technology is another option for buyers prioritizing a dedicated Storz product range and multiple coupling standards. Winocean offers a broader portfolio spanning firefighting, industrial, and marine applications, while Seapeak is worth considering when fire hoses and couplings need to be sourced together. Boden-Tech provides an alternative for buyers comparing forged and cast metal components, and Qruck offers a broader selection of firefighting fittings.
Shenlong, Yongxing, Willfar, and Honghe provide additional options for buyers seeking firefighting products, hose accessories, OEM services, or specialized connection components.
Ultimately, the most suitable Storz coupling manufacturer in China in 2026 is the supplier that can demonstrate dimensional compatibility, appropriate materials, verified product performance, reliable delivery, and clear technical communication for the specific project. Buyers should use the shortlist to initiate supplier qualification rather than treating ranking position as a substitute for technical verification.