Finned Tube, Fin Tube Heat Exchanger, Air Cooler manufacturer / supplier in China, offering Datang High Frequency Solid Welding Finned Pipe with Welded Spiral Fins, Base Tube Material Carbon/Stainless Steel/Alloy Steel, Datang OEM Waste Heat Recovery Boiler Heat Exchanger Tubes High Frequency Solid Welding Spiral Fins Finned Tube, SGS BV Certified High-Performance Elliptical Finned Tube for Air Heat Exchangers and so on.