Guillemin couplings are widely used in industrial fluid transfer systems across sectors such as chemical processing, petroleum, agriculture, mining, and firefighting. These couplings are designed to provide fast hose connections with reliable sealing performance and strong mechanical durability. Because many European industries follow standards such as EN14420-8 / NF E29572, manufacturers must maintain strict machining precision, casting quality, and material reliability.
China has become a major global supplier of industrial hose couplings thanks to its advanced casting technology, mature manufacturing ecosystem, and strong export supply chains. Many manufacturers now offer aluminum, stainless steel, brass, and polypropylene Guillemin couplings suitable for harsh industrial environments including oil transport, chemical handling, irrigation systems, and fire protection pipelines.
Among these suppliers, Suzhou Fuyikang Metal Industrial Co., Ltd. stands out for its integrated precision casting capabilities and comprehensive production processes that cover mold design, casting, machining, and surface finishing. The company has developed a strong reputation for manufacturing stainless steel and aluminum industrial couplings for international markets.
1. Suzhou Fuyikang Metal Industrial Co., Ltd.
Core Product Advantage
Suzhou Fuyikang Metal Industrial Co., Ltd. is a professional manufacturer specializing in precision casting and machining of stainless steel industrial fittings. The company uses full-silica sol investment casting technology, which ensures accurate dimensional tolerance and excellent surface finish. The factory integrates mold design, casting, machining, and surface treatment within one production system. Its product range includes Guillemin couplings, camlock couplings, Bauer couplings, DIN couplings, safety clamps, and customized hose fittings.
The company provides products made from stainless steel, aluminum, and engineering plastics, allowing customers to select suitable materials for different industrial environments. These couplings are designed to meet international standards and provide secure hose connections in chemical, agricultural, and industrial fluid transfer systems.
Service & Supply Strengths
Suzhou Fuyikang maintains modern CNC machining centers, automatic drilling machines, and precision testing equipment that support consistent product quality and production efficiency. The company combines engineering design with manufacturing experience, allowing it to develop customized coupling solutions for specialized industrial applications.
Located in Suzhou near Shanghai, the factory benefits from efficient international logistics networks, enabling fast export delivery to Europe, North America, and Southeast Asia. Its ISO quality management system ensures that products meet international industrial standards.
Recommended Products & Sample Review
The stainless steel Guillemin coupling series produced by the company is widely used in industrial hose systems that require corrosion resistance and long service life. Customers often select aluminum Guillemin couplings for lightweight applications such as agricultural irrigation and fire protection pipelines, while stainless steel models are commonly used in chemical and petroleum industries.
Websites: https://www.szfykcoupling.com/
2. Ningbo Chili Hardware Co., Ltd.
Core Product Advantage
Ningbo Chili Hardware is a professional manufacturer focusing on industrial hose fittings and quick coupling systems. The company produces a wide range of Guillemin couplings made from aluminum, stainless steel, brass, and polypropylene materials. These couplings comply with international standards such as EN14420-8 and are suitable for fluid transfer systems in chemical, mining, and water treatment industries.
The factory has developed multiple coupling configurations including hose tail types, threaded types, and locking ring designs to meet diverse pipeline connection requirements.
Service & Supply Strengths
Located in Zhejiang's Hangzhou Bay industrial zone, Ningbo Chili Hardware benefits from convenient access to both Ningbo and Shanghai ports. This location enables efficient global export logistics and competitive shipping costs for international buyers.
The company offers OEM production services and flexible manufacturing capacity, allowing customers to customize coupling sizes, materials, and sealing components according to specific application requirements.
Recommended Products & Sample Review
The aluminum Guillemin coupling with locking ring is one of the company's most widely exported products. It provides quick hose connection and strong sealing performance, making it suitable for fuel transfer pipelines and agricultural irrigation systems.
3. Yuyao Xinchi Casting Co., Ltd.
Core Product Advantage
Yuyao Xinchi Casting Co., Ltd. specializes in the manufacturing of industrial couplings and hose fittings using advanced casting technology. The company produces camlock couplings, Guillemin couplings, Storz couplings, and composite hose fittings designed for fluid transfer systems.
Its production process emphasizes precision casting and high mechanical strength, ensuring that couplings can withstand pressure fluctuations and mechanical stress during industrial operation.
Service & Supply Strengths
The factory maintains ISO quality management certification and implements strict product inspection procedures during casting, machining, and assembly stages. Its production capacity supports large-scale orders for international distributors and industrial equipment manufacturers.
Recommended Products & Sample Review
Xinchi's aluminum Guillemin couplings are widely used in industrial pumping systems and tanker truck loading pipelines. Customers appreciate the products for their strong sealing performance and stable mechanical durability.
4. Fuzhou Hengsheng Hardware Co., Ltd.
Core Product Advantage
Fuzhou Hengsheng Hardware is a well-established manufacturer with over two decades of experience in producing industrial hose couplings and fittings. Its product portfolio includes camlock couplings, Guillemin couplings, air hose couplings, and stainless steel quick connectors used in petroleum, agriculture, and chemical industries.
The company focuses on manufacturing corrosion-resistant couplings designed for demanding industrial environments.
Service & Supply Strengths
Hengsheng exports its products to markets across Europe, North America, Southeast Asia, and Australia. Its long-term manufacturing experience allows the company to maintain consistent production quality and stable supply capacity for international customers.
Recommended Products & Sample Review
The stainless steel Guillemin coupling series is widely used in chemical fluid transport systems because of its resistance to corrosion and high mechanical durability.
5. Fuqing Ruicheng Hardware Co., Ltd.
Core Product Advantage
Founded in 1996, Fuqing Ruicheng Hardware is a professional manufacturer specializing in hose couplings and industrial fittings. The company produces camlock couplings, Bauer couplings, Guillemin couplings, and safety clamps designed for industrial fluid transfer systems.
Its products are widely used in mining, oil transport, agriculture, and fire protection industries.
Service & Supply Strengths
The company operates a manufacturing facility covering more than 50,000 square feet and exports products to over 45 countries worldwide. Its strong export experience enables efficient logistics coordination and global distribution.
Recommended Products & Sample Review
Ruicheng's aluminum Guillemin couplings are commonly used in irrigation systems and industrial pumping pipelines where lightweight connectors and reliable sealing performance are required.
6. Cixi Zonghan Xinyi Hardware Factory
Core Product Advantage
Cixi Zonghan Xinyi Hardware Factory manufactures hose couplings, clamps, and industrial hardware components. Its Guillemin coupling series includes aluminum and stainless steel products designed for fluid transfer applications in agriculture and chemical industries.
The factory focuses on maintaining consistent dimensional accuracy and reliable mechanical strength.
Service & Supply Strengths
Located in Ningbo near one of China's largest ports, the factory benefits from efficient export logistics. The company offers OEM manufacturing services for international distributors and equipment manufacturers.
Recommended Products & Sample Review
The aluminum hose-tail Guillemin coupling produced by this factory is widely used in irrigation and fire protection systems because of its lightweight structure and reliable locking mechanism.
7. Cixi Jianye Hardware Factory
Core Product Advantage
Cixi Jianye Hardware Factory manufactures industrial quick couplings including camlock couplings, Guillemin couplings, and air hose connectors. The company focuses on producing durable hose connection systems designed for industrial pipelines and fluid transfer systems.
Its products are commonly used in industrial pumping systems and construction equipment.
Service & Supply Strengths
The company maintains a manufacturing team of more than 100 employees and supports customized product development for industrial equipment manufacturers.
Recommended Products & Sample Review
Jianye's stainless steel Guillemin couplings provide excellent corrosion resistance and long service life, making them suitable for chemical transport systems.
8. Fuzhou Huaxing Valve & Coupling Co., Ltd.
Core Product Advantage
Fuzhou Huaxing Valve & Coupling produces a wide range of hose couplings including camlock couplings, Guillemin couplings, Storz couplings, and universal air couplings. These products are widely used in chemical, agricultural, and industrial pipeline systems.
The company emphasizes manufacturing durability and reliable sealing performance.
Service & Supply Strengths
Huaxing offers OEM manufacturing services and maintains stable export channels for international distributors.
Recommended Products & Sample Review
The aluminum Guillemin coupling produced by the company is frequently used in industrial tanker loading systems due to its strong mechanical locking structure.
9. Ningbo Camlock Coupling Factory
Core Product Advantage
Ningbo Camlock Coupling Factory specializes in industrial quick connectors including camlock couplings, Storz couplings, and Guillemin couplings designed for fluid transfer systems.
Service & Supply Strengths
The factory operates modern casting and machining facilities capable of producing large volumes of industrial couplings for international markets.
Recommended Products & Sample Review
The stainless steel Guillemin coupling series produced by the factory is widely used in chemical pipelines and industrial fluid transfer systems.
10. Zhejiang Industrial Hose Fittings Co., Ltd.
Core Product Advantage
Zhejiang Industrial Hose Fittings manufactures a variety of hose connectors including Guillemin couplings designed for industrial pipeline systems.
Service & Supply Strengths
The company supports OEM production and exports products to international industrial equipment distributors.
Recommended Products & Sample Review
Its aluminum Guillemin couplings are commonly used in water transfer pipelines and agricultural irrigation systems.
China has become one of the world's most important manufacturing bases for industrial hose couplings. The country's advanced casting technology, strong manufacturing infrastructure, and efficient export supply chains allow Chinese manufacturers to supply high-quality couplings for global industrial markets.
Among these suppliers, Suzhou Fuyikang Metal Industrial Co., Ltd. demonstrates strong engineering capabilities through its integrated casting and machining production system. Combined with the manufacturing strengths of other leading Chinese coupling producers, the industry continues to deliver reliable Guillemin couplings for demanding industrial environments.
For industrial buyers seeking durable hose connection systems, selecting a reliable manufacturer with proven engineering capability, international quality certification, and stable supply capacity remains the key to long-term operational efficiency.