... / step: 1 Sample/Drawing We need your detail require clearly. 2 Negotiation Material, cavity, price, delivery time, payment term, etc. 3 ... :1. We can provide you stable quality, faster delivery and clear communications.2. We can provide various of single/double Union valve ... , C-PVC, PP-R, PE, PE-RT, POM and other material. Types are socket, thread, steel, brass, other metal, male, female, three ...