... B16.22, DIN2856, GB/T1161 Solder Ring 90 Deg Elbow,Copper fitting,1.Material: red copper2.Standard: EN1254, BS864, ANSI/ ... rich experience and strong ability to develop new products..Established in 1998, Ningbo Jiekelong Manufacturing Inc. is located at Cicheng ... , Ningbo, with convenient transportation by water, land and air. Specialized in development and production of copper valves, gas valves, cast ...