Founded in 1996，Shijiazhuang Xing Yin import and export trading Co.,Ltd is one of the largest plumbing factory in China，We are a professional supplier and manufacturer and exporter of PVC fitting, CPVC fitting,SCHEDULE 40 PVC DWV FITTING ASTM D2665,PPH fitting(Ips fitting), PPR fitting, pvc valves,pvc rain gutter etc.Currently we mainly supply ANSI standard ,NBR standard, BS...