Our corporation with technological instruction provided by experts all the year around, specifically produces the various specification of bundy pipes and single-layer copper-coated pipes, using computerized automatic quality control and inspec6tion methods. Our pipes are widely used in cool-producing and pipeline system with various heaters, such as evaporator, condensator and thermoelectric tube of cool-producing industry. They possess high strength, good plasticity, flexibility and other characteristics. The various indexes of our products can satisfy customers’ various requirements as they experience a series of physical and chemical tests. Now our products have held good market in China, and also were sold to Iran, Southeast Asia, etc. At present, we have below specification single copper-coated pipes, such as: φ3.8*0.65, φ4.76*0.65, φ6*0.65, φ6.35*0.65, φ8*0.65, etc.