I am professional valve manufacturer , not valve trade company in China. Therefor, valves of excellent qulity and competitve price can be provided to you . products list: ball valve , fully welded ball valve , gate valve , high pressure power station gate valves and globe valve, globe valve , check valve , butterfly valve . Material: cast steel and forge steel, stainless steel . certificate : API6D, CE, and ISO , Industrial Allowance of Belarus oil and gas Department . Assurance of valve quality , i accept of SGS inspection , or any other international inspection, during production , or before shipment, if needed . OEM is accept .