Copper fitting 1.Being widely used in the ACR and Plumbing system. 2.Standards: AMME B16.22, BS864, EN1254. Copper fitting1. ... The copper fittings be widely used in the ACR and Plumbing system. 2.It focuses on producing two sorts: Welding copper ... copper fittings; 3.Seven series: TEE, ELBOW, COUPLING, STOP END, FITTING REDUCER, TAP CONNECTOR etc.4.Standards: AMME B16.22, BS864 ...