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Oil Pipe, Hydraulic Cylinder Steel Tube, Carbon Steel Pipe - Zhengna
  • Home
  • Products
    • Astm A335
    • Astm A335 P91 Pipe
    • Alloy Steel Seamless
    • 16mn Grade Alloy Steel Seamless
    • Alloy Seamless Steel Pipe Sch80
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Petroleum pipeline boiler

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China Factory Price ASTM AISI Welded Seamless Alloy/Precision ERW/Black/Oiled/Round/Square 201 304 316 316L 321 Stainless Steel Tube/Pipe

China Factory Price ASTM AISI Welded Seamless Alloy/Precision ERW/Black/Oiled/Round/Square 201 304 316 316L 321 Stainless Steel Tube/Pipe

  • China Factory Price ASTM AISI Welded Seamless Alloy/Precision ERW/Black/Oiled/Round/Square 201 304 316 316L 321 Stainless Steel Tube/Pipe

    China Factory Price ASTM AISI Welded Seamless Alloy/Precision ERW/Black/Oiled/Round/Square 201 304 316 316L 321 Stainless Steel Tube/Pipe

  • 4130X 4140 4130 42CrMo 34CrMo4 Alloy Seamless Steel Pipe High-Pressure Gas Cylinder Steel Tube

    4130X 4140 4130 42CrMo 34CrMo4 Alloy Seamless Steel Pipe High-Pressure Gas Cylinder Steel Tube

  • Low Price Threaded Black Seamless Pipe 20# Q355b Low Alloy Small Diameter Carbon Steel Tube

    Low Price Threaded Black Seamless Pipe 20# Q355b Low Alloy Small Diameter Carbon Steel Tube

  • ASTM A355 P11/P9/P22 Alloy Steel Seamless Pipe/Tube China Supplier

    ASTM A355 P11/P9/P22 Alloy Steel Seamless Pipe/Tube China Supplier

  • ASME SA-335/SA335m*ASTM A335 Alloy Steel Seamless Pipe Bolier Tube

    ASME SA-335/SA335m*ASTM A335 Alloy Steel Seamless Pipe Bolier Tube

  • Wholesale 5154 5182 5252 5254 5356 5454 5456 5457 Round Aluminum Pipe

    Wholesale 5154 5182 5252 5254 5356 5454 5456 5457 Round Aluminum Pipe

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Stainless steel square tubing

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ASTM A106-B A178-C A199 A210-C A213 T91 A315-B A333 A335 Seamless/Welded/Galvanized/Carbon Steel Pipe

ASTM A106-B A178-C A199 A210-C A213 T91 A315-B A333 A335 Seamless/Welded/Galvanized/Carbon Steel Pipe

  • ASTM A106-B A178-C A199 A210-C A213 T91 A315-B A333 A335 Seamless/Welded/Galvanized/Carbon Steel Pipe

    ASTM A106-B A178-C A199 A210-C A213 T91 A315-B A333 A335 Seamless/Welded/Galvanized/Carbon Steel Pipe

  • Factory Price ISO9001 ISO2531 En545 K9 K7 DN80 DN100 DN800 C30 C25 C40 Di Dci Steel Pipe 150mm 250mm 200mm 300mm 800mm Ductile Cast Iron Pipe for Water System

    Factory Price ISO9001 ISO2531 En545 K9 K7 DN80 DN100 DN800 C30 C25 C40 Di Dci Steel Pipe 150mm 250mm 200mm 300mm 800mm Ductile Cast Iron Pipe for Water System

  • Large Diameter 23mm 34mm 73mm ASTM 1040 A106 A53 Grb API 5L Grb Alloy Steel Seamless Pipe Tube

    Large Diameter 23mm 34mm 73mm ASTM 1040 A106 A53 Grb API 5L Grb Alloy Steel Seamless Pipe Tube

  • 10# 20#45# A36 Q235 Q345 Q195 Seamless / Welded Round Carbon Steel Tube Carbon Steel Pipe

    10# 20#45# A36 Q235 Q345 Q195 Seamless / Welded Round Carbon Steel Tube Carbon Steel Pipe

  • Penstocks Project Diameter 300mm to 3500mm Seamless/ ERW Spiral Welded / Alloy Galvanized/Rhs Hollow Section Spiral Welded Steel Pipe SSAW Pipe

    Penstocks Project Diameter 300mm to 3500mm Seamless/ ERW Spiral Welded / Alloy Galvanized/Rhs Hollow Section Spiral Welded Steel Pipe SSAW Pipe

  • ASTM 201 202 310S 309S 304 316 2205 2207 Welded Seamless Polished Aluminum/Galvanized/Carbon/Stainless Steel Pipe for Decorative

    ASTM 201 202 310S 309S 304 316 2205 2207 Welded Seamless Polished Aluminum/Galvanized/Carbon/Stainless Steel Pipe for Decorative

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Hot dipped galvanized carbon pipe

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St37 St52 Sch40 Sch80 ASTM A106 SAE 1020 1045 AISI 4140 Cold Drawn Mild Carbon Alloy Seamless Steel Pipe

St37 St52 Sch40 Sch80 ASTM A106 SAE 1020 1045 AISI 4140 Cold Drawn Mild Carbon Alloy Seamless Steel Pipe

  • St37 St52 Sch40 Sch80 ASTM A106 SAE 1020 1045 AISI 4140 Cold Drawn Mild Carbon Alloy Seamless Steel Pipe

    St37 St52 Sch40 Sch80 ASTM A106 SAE 1020 1045 AISI 4140 Cold Drawn Mild Carbon Alloy Seamless Steel Pipe

  • Alloy Steel Pipe SA-335 SA-335m P5 P9 P11 P12 Steel Pipe

    Alloy Steel Pipe SA-335 SA-335m P5 P9 P11 P12 Steel Pipe

  • Large Diameter Seamless Low Temperature Resistant Pipe 16mn Alloy Steel Pipe Thin-Walled Seamless Pipe

    Large Diameter Seamless Low Temperature Resistant Pipe 16mn Alloy Steel Pipe Thin-Walled Seamless Pipe

  • High Strength ASTM A213 A56 T91 P91 P22 A335 P9 P11 4130 42CrMo 15CrMo Alloy Carbon Steel Pipes

    High Strength ASTM A213 A56 T91 P91 P22 A335 P9 P11 4130 42CrMo 15CrMo Alloy Carbon Steel Pipes

  • ASTM A335 P5 Alloy Steel Seamless Pipe

    ASTM A335 P5 Alloy Steel Seamless Pipe

  • China-Made 718 Nickel Alloy Pipe Nickel Alloy Seamless Steel Pipe

    China-Made 718 Nickel Alloy Pipe Nickel Alloy Seamless Steel Pipe

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Oil Pipe, Hydraulic Cylinder Steel Tube, Carbon Steel Pipe - Zhengna

Jilin Zhengna Ppipe Co., Ltd.

We are a professional enterprise integrating pipeline production, sales and export. The company was established in 1992 and covers an area of 100,000 square meters. The company has advanced production equipment, complete testing equipment and strong technical force. Our company's main products are: boiler tubes account for 40%; pipeline tubes account for 30%; petrochemical pipes account for 10%; heat exchange tubes account for 10%; mechanical tubes account for 10%. Complete product range: the main products are SA106B, 20g, Q345, 12Cr1MoVG, 15CrMoG, Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92.

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  • Alloy Steel Pipe Asme 335
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