Finned Tube, Fin Tube Heat Exchanger, Air Cooler manufacturer / supplier in China, offering ASTM A106/ASME SA106/Grade B/Grade C High Pressure Seamless Steel Pipes, En10216-2 P195gh P235gh P265gh High Pressure ASTM A335 Seamless Steel Pipes, SA335 P5 P9 P11 P12 P22 High Pressure High-Precision Seamless Steel Pipe and so on.