... is a high-tech enterprise dedicating to scientific researching, manufacturing, makerting and serving. We are a professional manufacturer of valves, pipe ... valves, pipe fittings and other products according to customers requirements.Our main products are ball valves,mini valve, check valves, ... ,bushing,cap,union,socket ,nipple ,plug and so on. They are all up to ANSI, API, DIN, BS, JIS, GB standards an ...