Ningbo Zhehua Heavy Steel Pipe Manufacturing Co., Ltd. -

Ningbo Zhehua Heavy Steel Pipe Manufacturing Co., Ltd.

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spiral welded steel pipe
Specification: DN219-DN3420
Detail: Features: 1) Specification: DN219-DN3420 2) Thickness: 6 ~ 25.4mm Standards: API 5L, ASTM, ASME, GB, JIS, BS, DIN, ISO9001 Material: API Gr. A~X60, S355JR, S235JR, S275JR, ST37-2, Q345B, Q235B

longitudinal seam steel pipe (jcoe)
Specification: DN406-DN1420
Detail: Features: 1) Specification: DN406-DN1420 2) Thickness: 6 ~ 45mm Standards: API 5L, ASTM, ASME, GB, JIS, BS, DIN, ISO9001


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