Shanghai MELL valve Co. Ltd. is the sales and service company, China legally established, since the establishment of the company, has been taking the valve online sales service service type Chinese mainland, most specifications of the most complete varieties, the company provides program guidance, parameter selection, OEM, ancillary products, customer service one-stop service for users.Shanghai gold and valve Co. Ltd. the main sales: ball valve, gate valve, butterfly valve, globe valve, check valve, exhaust valve, mud valve, drain valve, balance valve, pressure relief valve, drain valve, filter, safety valve, flame arrester, breathing valve, regulating valve, discharge valve, needle valve, isolation diaphragm valve, plug valve, solenoid valve, hydraulic control valve, inlet valve, automatic control valve.