ASTM A53 Galvanzied Steel Pipe
Standard: ASTM A53
Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
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Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
ISO 65 Galvanzied Steel Pipe
Standard: ISO 65
Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
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Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
ASTM 795 Galvanzied Steel Pipe
Standard: ASTM 795
Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
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Grade: Q235B, Q345B, SS400, S235JR ASTM A500 GRADE A, B, C
Thickness: 2.0mm-10.0mm
Section Shape: Circular
ASTM A500 GI Rectangular 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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Grade: Q235B, Q355B, SS400, S235JR, S275JR, S275J0R, S275J2R, S355JR, S355J0R, S355J2R
Thickness: 1.2mm-18mm
Section Shape: Square and Rectangle
About Us
Handan Zhengda Steel Pipe Co.,Ltd. ("ZHENG DA PIPE" in Chinese for short, and "ZDP" in English for short) is one of the ten supported enterprise by Handan city goverbment, one of the top 100 enterprises in Hebei province, Leading Enterprise of Hebei Industrial Cluster, one of the top 500 manufacturers in China, one of the top 500 private enterprises in China, the national high and new tech enterprise, observe contracts.
Dealing with ERW steel pipe, galvanized steel pipe, SSAW steel pipe, square steel pipe, steel-plastic composite pipe, angle iron, zhengda has become a modern comprehensive enterprise of technology research and trade.
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Focus on R&D
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Quality Ensure
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Rich Experience
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After-sales Service
News Center
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![Qian Min, Vice President Of Zhengda Pipe Industry Group, Was Invited To Atten...]()
30MayQian Min, Vice President Of Zhengda Pipe Industry Group, Was Invited To Atten...On May 29, 2025, the "14th Real Estate Industry Chain Innovation and Cooperation Forum ...view more > -
![Zhengda Steel Pipe Presents At The 2025 3rd Northwest Water Digital Developme...]()
26MayZhengda Steel Pipe Presents At The 2025 3rd Northwest Water Digital Developme..."Zhengda Steel Pipe Presents at the 2025 3rd Northwest Water Digital Development Forum ...view more > -
![我国钢管工业发展历程]()
26May我国钢管工业发展历程China's steel pipe industry began in the 1920s, with the first seamless steel pipe ...view more > -
![Handan Zhengda Steel Pipe Group Co., Ltd Wish You A Happy Mid-Autumn Festival]()
09SepHandan Zhengda Steel Pipe Group Co., Ltd Wish You A Happy Mid-Autumn FestivalTomorrow is the Mid-Autumn Festival in our country, which is a happy day for the whole ...view more >
Project
ZDP's steel pipes are widely used in the national major construction project, such as South-to North Water Diversion Project, Shanghai World EXPO, Hangzhou Bay Bridge, Henan inter-city Railway Yellow River Bridge, Wuhan Yangze River Tunnel, The Three Gorges Dam project, Jinan Olymipic Sports Center. Shiwu High Speed Way. Vanke Real Estate, Wanda Plaza Shandong LNG project, Guizhou rural drinking water safety project and so on.
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