Finned Tube, Fin Tube Heat Exchanger, Air Cooler manufacturer / supplier in China, offering 2.7mm-75mm Thickness High Pressure Seamless Steel Pipe API Used for Structure Pipe, ASTM A209/ASME SA209 Grade T1 High Pressure Carbon Seamless Steel Pipe, Cutting Processing Service High Pressure Carbon Steel Seamless Pipes for Heat Exchanger and so on.