... Plumbing system. 2.Standards: AMME B16.22, BS864, EN1254. Copper fitting1.The copper fittings be widely used in the ACR and Plumbing ... . 2.It focuses on producing two sorts: Welding copper fittings and solder ring copper fittings; 3.Seven series: TEE, ELBOW, COUPLING, STOP ... .22, BS864, EN12545.We can offer various kinds of sizes. Copper fitting