... valves, Ball valves, Gas valves, Needle valves, Check vales, Saddle valves, Stop valves, OEM service Specifications:1. Product Name: Brass angle valves, ball valves, gas valves, needle valves, check valves, self saddle valves, stop valves ... with good quality”. In addition, HT had got the Quality Control certificate of ISO9001:2000 to ensure your order is being ...