My main Wuhan seamless unit. Liaocheng Main Runtong supplies seamless steel pipe: include: structural tubes, fluid pipes, low pressure boiler tubes; high-pressure boiler pipe, oil cracking pipe, geological pipe, fertilizer, thin thick and the domestic alloy seamless pipe, alloy pipe imports. Volume control is another highlight of my company, the volume control for volume production, according to the requirements of length and diameter tube, the volume of quality management to achieve seamless performance, the volume of large diameter seamless steel tubes for the production and circulation difficulties in filling difficult. precision seamless steel tubes is another highlight of my company, precision tolerance control of seamless steel tubes within 10 wire, precision seamless steel than the U.S. standard of quality, the company can produce seamless steel pipe German standard American Standard ASTM DIN No seamless steel pipe joints at the British standard BS JIS standard line pipe seamless steel pipe API5L API5CT shiny steel seamless pipe high pressure seamless steel pipe seamless steel pipe for petroleum cracking high-pressure chemical fertilizer equipment, low and medium pressure boiler seamless steel tubes for ship-free pipe joints. Our year-round agency Baosteel, Cheng Gang, Tianjin Steel, Bao Steel, Anshan Steel, West steel, smelting steel, Steel, Hengyang Steel, and often the top ten steel mills and Germany, Japan, Russia and other large and medium sized high-quality structure of imported production pipe GB8162-99, the fluid tube GB8163-99, low and medium pressure boiler pipe GB3087-2000, high-pressure boiler pipe GB5310-95, the fertilizer tube GB6479-86, petroleum cracking pipe GB9948-88, special hydraulic prop pipe GB/T17396-98 , geological drilling tube YB235-70, automobile axle casing YB/T5035-96 other standard seamless steel tubes. Material: 10 #, 20 #, 35 #, 45 #, 16Mn, 27SiMn, 40Cr, 15CrMo, 35CrMo, 45Mn2, 12Cr1MoV, 38CrMoAl, DZ40-70, Cr5Mo special coupling materials and oil field J55 (37Mn5), N80 (36Mn2V, 42MnMo7) and so on. Long-term supply of various steel | High Pressure Boiler Tube | reel | 45 # seamless steel pipe | 12Cr1MoV seamless steel pipe | 15CrMo Seamless | Boiler Tube | seamless tube alloy tube for petroleum cracking GB9948-88, hydraulic pillar dedicated pipe GB / T17396-98, geological drilling tube YB235-70 high-pressure boiler pipe GB5310-95, special fertilizers