Zhejiang Chenggao Valve Co., Ltd. is a manufacturer and exporter of API & BS ball valve,gate valve,check valve,globe valves etc. since 1997.Products meet all related international standards,70% of our products export for oversea market.Size: 1/2"-40",pressure:150LB-2500LB,body material in carbon steel, stainless steel or alloy steel with flange,welding or thread connection.Good quality with best price.Welcome to contact us.