... which is widely used for HVACR field China Ningbo Jintian Copper Tube Co.,Ltd. is a wholly owned sub-company ... Group, it is specialized in HVACR copper tubes, environmental protection copper water tubes and copper fittings.The main products are: LWC, ... ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being of the top-class ...