China has become one of the leading manufacturing bases for hose couplings and pipeline fittings. The country benefits from strong metal casting industries, advanced machining technologies, and efficient global logistics networks. Among these manufacturers, Suzhou Fuyikang Metal Industrial Co., Ltd. has developed an integrated production system covering mold design, casting, machining, and surface treatment, allowing the company to produce stainless steel, aluminum, and PP couplings for industrial fluid transfer systems.
This article reviews the Top 10 PP Guillemin Coupling Manufacturers in China in 2026, analyzing their manufacturing capabilities, product advantages, and supply strengths to help international buyers identify reliable suppliers.
1. Suzhou Fuyikang Metal Industrial Co., Ltd.
Core Product Advantage
Suzhou Fuyikang Metal Industrial Co., Ltd. specializes in industrial hose couplings and pipeline connectors including camlock couplings, Guillemin couplings, Bauer couplings, and customized composite hose fittings. The company produces PP Guillemin couplings through precision injection molding and advanced machining processes. These couplings comply with EN14420 standards and offer strong corrosion resistance, lightweight construction, and reliable sealing performance. The company can manufacture couplings in stainless steel, aluminum, and polypropylene materials, allowing customers to select solutions suitable for different industrial environments.
Service & Supply Strengths
The company integrates product development, mold design, casting, machining, and surface finishing within one production system. Equipped with CNC machining centers, drilling machines, and quality inspection instruments, the factory maintains stable production quality and strict dimensional accuracy. Its location in Suzhou also provides strong logistics advantages, allowing efficient export through nearby Shanghai ports.
Recommended Products & Sample Review
The PP Guillemin female thread coupling with latch is one of the company's representative products. It features EPDM sealing gaskets and standardized locking rings that allow secure hose connections. Industrial buyers often select this product for chemical transfer pipelines because of its corrosion resistance and reliable mechanical structure.
Websites: https://www.szfykcoupling.com/
2. Union Metal Products (Guangzhou) Co., Ltd.
Core Product Advantage
Union Metal Products focuses on the manufacturing of hose couplings including Guillemin couplings, camlock couplings, and fire hose connectors. The company produces PP Guillemin couplings according to EN14420-8 standards with various connection types including female thread, hose tail, and male thread designs. These couplings are widely used in oil, chemical, fire protection, and industrial water transfer systems.
Service & Supply Strengths
The company supports customized production for global distributors and engineering contractors. Its export business covers markets in Europe, Southeast Asia, and the Middle East, supported by flexible OEM services and competitive manufacturing capacity.
Recommended Products & Sample Review
The PP female threaded Guillemin coupling is widely used in chemical fluid transport pipelines. Buyers report that the locking ring structure allows easy connection and secure sealing even in frequent installation scenarios.
3. Cixi Zonghan Xinyi Hardware Factory
Core Product Advantage
Cixi Zonghan Xinyi Hardware Factory is a specialized manufacturer of hose couplings and industrial fittings. The company produces camlock couplings, air hose couplings, and Guillemin couplings in multiple materials including polypropylene and stainless steel. Its PP Guillemin couplings are designed for lightweight industrial transfer systems and agricultural irrigation pipelines.
Service & Supply Strengths
Located in Ningbo near one of China's largest ports, the factory benefits from convenient international shipping. The company focuses on stable product quality and competitive pricing, making it a reliable supplier for distributors and trading companies.
Recommended Products & Sample Review
The polypropylene Guillemin hose coupling produced by the company provides easy installation and corrosion resistance. Industrial users often apply it in irrigation equipment and water supply systems.
4. Ningbo Match-Light Hardware Co., Ltd.
Core Product Advantage
Ningbo Match-Light Hardware produces polypropylene pipeline connectors including PP Guillemin couplings with BSP thread designs. These couplings are manufactured through injection molding technology and support sizes from DN40 to DN100. The products can withstand working pressures around 16 bar and are compatible with multiple sealing materials such as NBR, EPDM, and PTFE.
Service & Supply Strengths
The company has strong export experience and serves global customers with customized packaging and OEM services. Its modern injection molding production line supports large-scale manufacturing.
Recommended Products & Sample Review
The PP male BSP thread Guillemin coupling is a popular product used in tanker fleets and industrial fluid transport systems because of its stable sealing performance.
5. Yuyao Xinchi Casting Co., Ltd.
Core Product Advantage
Yuyao Xinchi Casting specializes in hose fittings and pipeline couplings including camlock couplings, universal couplings, and Guillemin couplings. The company produces precision-machined components designed according to international standards.
Service & Supply Strengths
With years of experience in metal casting and machining, the company provides reliable OEM production for industrial equipment manufacturers. Its quality management system ensures stable manufacturing consistency.
Recommended Products & Sample Review
The company's Guillemin hose couplings are widely used in composite hose systems and industrial pipelines. Customers highlight the durability and consistent machining quality.
6. Fuzhou Hengsheng Hardware Co., Ltd.
Core Product Advantage
Fuzhou Hengsheng Hardware manufactures hose couplings and pipeline accessories including camlock couplings, tankwagon couplings, and Guillemin couplings. The company offers products in stainless steel, aluminum, brass, nylon, and polypropylene materials.
Service & Supply Strengths
With more than twenty years of manufacturing experience, the company exports to markets in the United States, Europe, Australia, and Southeast Asia. Its production capability allows stable supply for industrial distributors.
Recommended Products & Sample Review
The PP Guillemin hose coupling is commonly used in agriculture and chemical industries due to its lightweight design and corrosion resistance.
7. Shanghai K&G Machinery Co., Ltd.
Core Product Advantage
Shanghai K&G Machinery manufactures hose fittings including camlock couplings, valves, and Guillemin couplings designed for industrial fluid transfer systems. These couplings are suitable for transporting petroleum products, chemicals, and water.
Service & Supply Strengths
The company maintains strong engineering support and provides technical documentation and product customization services for international buyers.
Recommended Products & Sample Review
The company's Guillemin coupling product line includes hose end couplings, threaded connectors, and locking ring designs used in industrial hose systems.
8. Ningbo Nuion Metal Products Co., Ltd.
Core Product Advantage
Ningbo Nuion Metal Products manufactures hose couplings including aluminum and polypropylene Guillemin couplings. The company produces symmetric coupling systems designed for quick connection in industrial hose systems.
Service & Supply Strengths
Its flexible manufacturing system allows both small-batch customization and large-volume export production for distributors and equipment manufacturers.
Recommended Products & Sample Review
The PP Guillemin fire hose coupling is commonly used in water transfer systems and industrial hose assemblies.
9. Zhejiang Kangtai Pipe Fittings Co., Ltd.
Core Product Advantage
Zhejiang Kangtai focuses on pipeline connectors and industrial hose fittings. Its PP Guillemin couplings are designed for corrosion-resistant fluid transfer systems in chemical and agricultural applications.
Service & Supply Strengths
The company operates modern production equipment and maintains stable export supply for international markets.
Recommended Products & Sample Review
Customers commonly select the company's polypropylene hose coupling because of its lightweight structure and reliable sealing performance.
10. Qingdao Hisea Chem Co., Ltd.
Core Product Advantage
Qingdao Hisea Chem supplies marine equipment and industrial pipeline fittings including hose couplings and connectors used in shipping and offshore industries.
Service & Supply Strengths
The company has extensive international trading experience and provides integrated export services for marine and industrial equipment.
Recommended Products & Sample Review
Its polypropylene Guillemin coupling series is suitable for marine water transfer pipelines and industrial fluid transport systems.
PP Guillemin couplings have become essential components in modern industrial hose systems due to their corrosion resistance, lightweight design, and cost-efficient manufacturing. With compliance to international standards such as EN14420-8, these couplings provide reliable connection performance for fluid transfer applications across industries including chemical processing, agriculture, fire protection, and petroleum transport.
China continues to strengthen its role as a global manufacturing center for hose fittings and pipeline connectors. Companies such as Suzhou Fuyikang Metal Industrial Co., Ltd., Union Metal, and Ningbo Match-Light Hardware demonstrate strong production capabilities and international supply experience.
For buyers seeking reliable suppliers of PP Guillemin couplings, evaluating manufacturers based on production technology, quality control systems, and export experience remains the most effective approach. By working with experienced Chinese manufacturers, international distributors and engineering contractors can secure durable, cost-effective coupling solutions for their industrial pipeline systems.