... to customers requirements.Our main products are ball valves,mini valve, check valves, globe valves, gate valves, strainers, sanitary ... valve & fitting, quick couplings such as type A,B,C,D, ... ,F,DC,DP,pipe fittings such as elbow,tee,bushing,cap,union,socket ,nipple ,plug and so on. They are all ... , BS, JIS, GB standards an so on. 2 pieces ball valve