Bearing Steel Tubes Cinquefoil Bearing Tubes low, Middle and High Pressure Boiler Tubes Stainless Seamless Steel & Carbon Tubes Cold Draw (Rolling) Stainless seamless Steel Tubes Cold Draw (Rolling) Carbon, Alloy Structure seamless Steel Tubes High Pressure Oil Tubes for Diesel Engine / Carbon Sucture capillary Seamless Steel Tubes for Oil Cracking/ High Pressure Steel Tubes for Pesticide Equipment Fine Inner Seamless Steel Tubes for Hydraulic and Air Cylinders Seamless Steel Tubes for Shipbuilding      low, Middle and High Pressure Boiler Tubes     Products Combinations        Technology Parameter   Combinations Types Standards Use external diameter: Φ10-65mmwall thickness: 1.5-8.0mm 10, 20, 20G, 20MnG, 25MnG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, st35.8, st45.8 GB 5310, GB3087 ASTMA187, A192 DIN2915, DIN17175 and otherwise High pressure and more high pressure steamy boiler and its tubes, middle and low pressure boilers in various structure, locomotive boiler.
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