Product Description：process feature
Quality carbon structural steel as raw material, straight seam high frequency welded to form a tube GB, thin-walled tube, Yixingguan three series of more than 100 specifications.
☆ range of applications
Building architecture, cable protection pipe, steel and wood furniture, fitness equipment.
☆ applicable standards
GB / T 3091-2001, ASTM A53-1996, BS 1387-1985, DIN 2440, EN10255, Q/JGK103-01-2006, Q / JGK 03-2007

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