China Pipes Valves Fittings Company Profile Established in 2001,YU HUAN NATIONAL STAR PLUMBING CO.,LTD is a manufacturer for valve.The factory covers an area of 9500 square meters. We produce ball valve,float valve,angle valve,bibcock,valve fittings and so on. Our product's quality meets the most strict international standard and requirements of high quality, technical innovation, and high...