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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 Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being of the top-class quality the products, Jintian Copper have been appraised as Name Brand Product of Ningbo City and Zhejing Province. We have passed ISO9001, ISO14001, UPC,SGS and TUV etc.,these promise that the products we produced are always of the best quality Air-Conditioning Copper Pipe 1) Alloy no.: C12200, Temper: soft drawn or half hard2) Standard complied: ASTM B-88, EN-1057, GBT-18033, ISO9001, ISO140013) Specification:Outer Diameter: 4mm 28mmWall Thickness: 0.41mm 1.5mmLength: 5.8m or 3m etcThickness(mm) O.D0.300.350.400.450.500.550.600.650.700.750.801.001.201.504.76 3/16in000000000006.0000000000000006.35 1/4in00000000000007.00000000000000007.94 5/16in000000000000008.00000000000000009.52 3/8in0000000000000010.000000000000000012.00000000000000012.70 1/2in000000000000014.0000000000000015.0000000000000015.88 5/8in00000000000016.0000000000019.05 3/4in00000000022.23 7/8in00000000025.4 1in0000028.58 9/8in0000Remark:Sizes with mark"0" indicate those are common sizes which the company is making,any unusaal sizes with special requirement can be tailor-made against order.