Seamless Welded

With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Seamless Welded, Hot-Rolled Carbon Coil, Galvanized Sheet Metal Roofing, Galvanized Color, We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.We strongly believe that we can do better and better. Our enhancement depends around the sophisticated devices ,exceptional talents and repeatedly strengthened technology forces for Seamless Welded, We put the product quality and customer's benefits to the first place. Our experienced salesmen supply prompt and efficient service. Quality control group make sure the best quality. We believe quality comes from detail. If you have demand, allow us to work together to get success.


  • Seamless steel pipe

    Seamless steel pipe

    Application: Widely used in the manufacturing and machinery parts

  • OEM/ODM Manufacturer Seamless Bi Pipe - Seamless steel pipe – Derunying

    OEM/ODM Manufacturer Seamless Bi Pipe - Seamless steel pipe – Derunying

    All raw materials are provided by famous suppliers such as Shougang, Laigang and Hebei iron and steel group, the quality of our products can be guaranteed. The materials of seamless steel pipe are: ordinary and high-quality carbon structural steel (q215-a ~ duq275-a and 10 ~ 50 steel), low alloy steel (09mnv, 16Mn, etc.), alloy steel, stainless and acid resistant steel, etc. Compared with solid steel such as round steel, the steel tube is lighter when the bending and torsion strength is the s...
  • Hot Selling for Mild Steel Flat - Straight welded pipe – Derunying

    Hot Selling for Mild Steel Flat - Straight welded pipe – Derunying

    Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness of surface inside and outside the pipe (the surface brightness of steel pipe is determined by the surface of steel plate), and it can be arbitrarily length. Therefore, It embodies its economy and aesthetics in the application of high precision, medium and low pressure fluid. Th...
  • Hot sale Hot-Rolled Carbon Coil - Straight welded pipe – Derunying

    Hot sale Hot-Rolled Carbon Coil - Straight welded pipe – Derunying

    Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness of surface inside and outside the pipe (the surface brightness of steel pipe is determined by the surface of steel plate), and it can be arbitrarily length. Therefore, It embodies its economy and aesthetics in the application of high precision, medium and low pressure fluid. Th...
  • Good quality Seamless Carbon Steel - Straight welded pipe – Derunying

    Good quality Seamless Carbon Steel - Straight welded pipe – Derunying

    Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness of surface inside and outside the pipe (the surface brightness of steel pipe is determined by the surface of steel plate), and it can be arbitrarily length. Therefore, It embodies its economy and aesthetics in the application of high precision, medium and low pressure fluid. Th...
  • OEM/ODM Manufacturer Bulb Flat Steel - Seamless steel pipe – Derunying

    OEM/ODM Manufacturer Bulb Flat Steel - Seamless steel pipe – Derunying

    All raw materials are provided by famous suppliers such as Shougang, Laigang and Hebei iron and steel group, the quality of our products can be guaranteed. The materials of seamless steel pipe are: ordinary and high-quality carbon structural steel (q215-a ~ duq275-a and 10 ~ 50 steel), low alloy steel (09mnv, 16Mn, etc.), alloy steel, stainless and acid resistant steel, etc. Compared with solid steel such as round steel, the steel tube is lighter when the bending and torsion strength is the s...
  • Quality Inspection for Black Steel Pipe - Seamless steel pipe – Derunying

    Quality Inspection for Black Steel Pipe - Seamless steel pipe – Derunying

    All raw materials are provided by famous suppliers such as Shougang, Laigang and Hebei iron and steel group, the quality of our products can be guaranteed. The materials of seamless steel pipe are: ordinary and high-quality carbon structural steel (q215-a ~ duq275-a and 10 ~ 50 steel), low alloy steel (09mnv, 16Mn, etc.), alloy steel, stainless and acid resistant steel, etc. Compared with solid steel such as round steel, the steel tube is lighter when the bending and torsion strength is the s...
  • Low MOQ for French Drain Pipe - Straight welded pipe – Derunying

    Low MOQ for French Drain Pipe - Straight welded pipe – Derunying

    Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness of surface inside and outside the pipe (the surface brightness of steel pipe is determined by the surface of steel plate), and it can be arbitrarily length. Therefore, It embodies its economy and aesthetics in the application of high precision, medium and low pressure fluid. Th...
  • Wholesale Price H-Beam - Straight welded pipe – Derunying

    Wholesale Price H-Beam - Straight welded pipe – Derunying

    Steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil welded in a straight seam at a welding facility. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness of surface inside and outside the pipe (the surface brightness of steel pipe is determined by the surface of steel plate), and it can be arbitrarily length. Therefore, It embodies its economy and aesthetics in the application of high precision, medium and low pressure fluid. Th...
  • Free sample for Large Diameter Seamless Pipe - Seamless steel pipe – Derunying

    Free sample for Large Diameter Seamless Pipe - Seamless steel pipe – Derunying

    All raw materials are provided by famous suppliers such as Shougang, Laigang and Hebei iron and steel group, the quality of our products can be guaranteed. The materials of seamless steel pipe are: ordinary and high-quality carbon structural steel (q215-a ~ duq275-a and 10 ~ 50 steel), low alloy steel (09mnv, 16Mn, etc.), alloy steel, stainless and acid resistant steel, etc. Compared with solid steel such as round steel, the steel tube is lighter when the bending and torsion strength is the s...