... material:brass,copper... 2)ISO 9001:2000 certificate Brass Vavle "L" type pilot vavleDescription of the goods: 1. Product Introduction ... (1) Brass Vavle, Throughway Vavle, "L" type pilot valve, and so on. (2) OEM Service ... :2000 certificate 2. Company Introduction (1) Company Name: Wuxi Zhuocheng Mechanical Components CO., Ltd.(2) Main products: fasteners: bolts, nuts, ...