ASTM A53 and API 5L and ASTM A106 standards,Grade A,B,C
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Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply DIN2448/1629/1630 Galvanized Steel Pipes for petroleum industry and Heat Exchanger industry and Machining Industry etc.
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Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply STM A53/A106 Gr.B Hot-Dip Galvanzied Steel Pipes for petroleum industry and Heat Exchanger industry and Machining Industry etc.
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Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply Hot-Dip Galvanzied Steel Pipesfor petroleum industry and Heat Exchanger industry and Machining Industry etc.
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