Plain Copper Tube: level wound coil copper tube is our most important product, which is widely used for HVACR field China Ningbo Jintian Copper Tube Co.,Ltd. is ... 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 ...