Fuzhou Zhengyin Metal Works Co.,Ltd.  is specialized in producing hose fittings and accessories such as camlock couplings, guillemin coupling, universal air coupling, King combination nipple etc. 
In the year 2007 we have established a new factory (including casting and machining) for manufacturing cam and groove quick couplings, which located in Fuzhou City, Fujian China.  
  As a result of competitive prices, flexible payment modes and good quality, our cam and groove quick coupling and other products are well received by overseas customers and we are currently exporting throughout Europe, North and South America,  Middle East, Southeast Asia, etc.
    Through our long-term cooperation and experience in this field, we have established many factories that serve as our manufacturing base for clients' special products, so that we may better meet the demands of different clients and markets. 
    We mainly deals in the following products: 
  •  Camlock and groove quick couplings (Brass, Aluminum, SS316, SS304, Polypropylene and Nylon)
  •  Guillemin coupling (Aluminum and Stainless steel) 
     We also deals in miscellaneous products such as:
  •  King combination nipple and hose mender  ( plated and stainless steel )
  •  Foot valves and round hole basket strainer
•  Hose clamps  (Double bolt clamp, Superior T-bolt clamp, Spiral clamp)
  •  Pin-lug short shank
  •  Sandblast coupling
  •  Steam hose coupling ( interlocking clamp)
  •  Universal air coupling (American type and European type)
  •  Whipcheck safety cable
•  etc.