Huamao group is specialized in the production and exportation of Pneumatic parts (such as solenoid valve, speed controllers,  stop fittings, hand valves, check valves, couplers etc.), and ball valve, gate valve, close valve for water system, as well as flexibility fitting & aluminium profile for automation are also our range of supply. We are very strong at making OEM products as well as developing new products for customers. Please contact us for more information.