Our company has seven main shops:the casting shop, numrical control processing shop, machine-processing shop,heat treatment shop,welding shop, assembling shop and testing shop etc.We also has the CAD valve designingcenter,Physical and Chemical laboratory,Scratching test laboratory and three dimensional imitation manufacturing laboratory.There are over 170 sets of equipment for processing and 32 sets of equipment for testing. So our production has the novel design, advanced configuration, exquisite technics,excellent execution,self-contained instrument for testing. ...