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Ningbo Jintian Copper Tube Co., Ltd. is one of the largest manufacturers of HVACR and plumbing copper tubes. We can supply LWC plain tubes, LWC inner-grooved tubes, pancake coil tubes, straight tubes and insulation coil tubes.We own 1,800MT extrusion presses, continuous casting and rolling production lines and inner-grooving lines imported from Germany and Finland. We import copper from Chile, Zambia and Japan. We are an ISO9001 and IS014001 approved factory. Our company produces copper tubes as per international standards such as ASTM B280, ASTM B88, EN 1057 and JISH 3300. All these ensure every copper tube from our factory are perfect in chemical composition, surface quality and physical performance.Invested by one of the largest copper processing companies-Ningbo Jintian Copper Group, we have 21 years