Fuzhou Zhengyin Metal Works Co.,Ltd.
is proud to be a major manufacturer hose fittings and accessories such as
cam and groove quick couplings, guillemin coupling, universal
air coupling, King combination nipple etc.
In the year 1989 we have established a new factory
(including casting and machining)for manufacturing cam and groove quick
couplings, which located in Fuzhou City, Fujian China.