Through continuous thinking, research, learning, and innovation, we design and produce products that are both aesthetic and practical. We insist on using design to bring users a perfect experience. So far, our customer base has covered various fields. We hope to become an overall solution provider and service provider for seamless pipe temperature resistance, scaffolding restoration, hot rolled coil for bridges with a complete marketing system and rigorous professionalism. In addition, we offer some lines of the square steel pipe for ventilation to meet specific needs and be customer's competitive partner. Leading the industry's advancements and creating a brighter future is our goal and driving force. Corporate culture can stimulate the sense of mission of employees. In the new historical period, we are following the trend and aiming high, with "to be a global enterprise trusted and loved by the public" as our ideal blueprint. Customer oriented, customer standards as the benchmark, our pursuit of high quality will never stop. After years of exploration and development, we have identified an enterprise tenet that is always correct: high-quality products, reasonable prices and satisfactory services. All indicators of our products have been tested by the testing center and all meet the requirements. Our company is willing to cooperate with friends from all walks of life to create a brilliant future!
  • Rectangular And Square Pipe For Construction

    Rectangular And Square Pipe For Construction

    1, Grades: A500,A,B,C,Q235B, Q355B, SS400, S235 and S355 2, Size: 15*15-300*300mm-40*20-400*200mm 3, Standards: GB/T6728-2017, EN10219,EN10255, ASTM A500 grade A, B, C 4, Certifications: ISO 9001,
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  • ASTM A500 Square Hollow Sections

    ASTM A500 Square Hollow Sections

    1, Grades: Q235B, Q355B, SS400, S235 and S3552, Size: 15*15-300*300mm3, Standards: GB/T6728-2017, EN10219,EN10255, ASTM A500 grade A, B, C4, Certifications: ISO 9001, SGS, CE, API
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  • Black Hollow Section

    Black Hollow Section

    Our main products are: ERW HDG pipes ERW Black Square hollow section ERW Black Rectangular hollow section ERW HDG Scaffolding pipes SSAW pipes API 5L
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  • Hot Dip Galvanized Steel Pipe

    Hot Dip Galvanized Steel Pipe

    1, Grades: Q235B, Q355B, SS400, S235 and S355 2, Size: 15*15-300*300mm 3, Standards: GB/T6728-2017, EN10219,EN10255, ASTM A500 grade A, B, C 4, Certifications: ISO 9001, SGS, CE, API
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  • A500 Square Hollow Sections

    A500 Square Hollow Sections

    1, Grades: A500,A,B,C,Q235B, Q355B, SS400, S235 and S3552, Size: 15*15-300*300mm-40*20-400*200mm3, Standards: GB/T6728-2017, EN10219,EN10255, ASTM A500 grade A, B, C4, Certifications: ISO 9001, SGS,
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  • BLACK STEEL SQUARE AND RECTANGULAR
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  • Hot Dip Galvanized Square Steel Tube

    Hot Dip Galvanized Square Steel Tube

    Handan Zhengda Steel Pipe Co., Ltd. is the specialized Manufacturer & Exporter of Carbon Steel Pipes Such as: ERW Hot-Dip Galvanized Square & Rectangular, Galvanized Steel-Plastic Composites, SSAW
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  • ASTM A 500 Hott Dipped Hollow Section

    ASTM A 500 Hott Dipped Hollow Section

    1, Grades: Q235B, Q355B, SS400, S235 and S355 2, Size: 15*15-300*300mm 3, Standards: GB/T6728-2017, EN10219,EN10255, ASTM A500 grade A, B, C 4, Certifications: ISO 9001, SGS, CE, API
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  • ASTM A500 Square Steel Pipe

    ASTM A500 Square Steel Pipe

    Standard: ASTM A500. Grade: Q235B, Q355B, SS400, S235JR, S275JR, S275J0R, S275J2R, S355JR, S355J0R, S355J2R. Thickness: 1.2mm-18mm. Section Shape: Square and Rectangle.
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  • EN10219 Square Steel Pipe

    EN10219 Square Steel Pipe

    Standard: EN10219. Grade: Q235B, Q355B, SS400, S235JR, S275JR, S275J0R, S275J2R, S355JR, S355J0R, S355J2R. Thickness: 1.2mm-18mm. Section Shape: Square and Rectangle.
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  • 20X20 300X300 GI Rectangular Steel Pipe

    20X20 300X300 GI Rectangular Steel Pipe

    Standard: 20X20 300X300. Grade: Q235B, Q355B, SS400, S235JR, S275JR, S275J0R, S275J2R, S355JR, S355J0R, S355J2R. Thickness: 1.2mm-18mm. Section Shape: Square and Rectangle.
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  • EN10219 Pre Galvanzied Rectangular Pipe

    EN10219 Pre Galvanzied Rectangular Pipe

    Standard: EN10219. Grade: Q235B, Q355B, SS400, S235JR, S275JR, S275J0R, S275J2R, S355JR, S355J0R, S355J2R. Thickness: 0.8mm-2.5mm. Section Shape: Square and Rectangle.
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Lori Maldonado star star star star star
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an
Gladys Villegas star star star star star
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
Betty Brady star star star star star
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
Loni Powers star star star star star
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
Mercy Williams star star star star star
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
Dean Newman star star star star star
Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
We are still in a high-speed growth period, and its power comes from the excellent spiritual core. The unique corporate culture has nurtured the golden shining quality of the company's people, and has also established our brand's high reputation and reputation in the national affordable seamless pipe, black round steel pipe with dialysis test report, scaffolding growth industry. We're professional square steel pipe for ventilation manufacturers and suppliers in China, providing the best products and service for your brands. We warmly welcome you to buy high-quality square steel pipe for ventilation made in China here from our factory. For more company information, contact us now.

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