Plumbing Red Copper Fittings 1.Manufacturer 2.UPC,NSF61,WRAS 3,ASME B16.22/EN1254-1 4,Mueller/Elkhart Supplier China Ningbo Jintian Copper Tube Co.,Ltd. is a wholly owned sub-company of Jintian Group, it is specialized in HVACR copper tubes, environmental protection copper water tubes and copper fittings.The main products are: LWC, Pancake Coils, ACR Straight Tubes, Capillary Tubes, Copper Water ...