Zhejiang Dingtai Valve Manufacture Co., Ltd. set up at Dingtai Park, Tangtou Industrial Zone of Wenzhou City. It consists of hot die forge, accurate casting, welds, heat treatment, machining , assembling, and has three great production centers of gate valves, check valves, forged valve, globe valve, cast valve, special valve, and a numerical control machining center. The company has plasma process welding machine, auto-gas shield welding, overclocking vacuum heat treatment equipment, ball numerical control, high-efficient valve process machine, physical-chemical testing equipment, Y-flaw inspection equ ...