square and rectangle steel tube
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rectangle steel tube
High-frequency Welding square and rectangle steel tube is mainly used in steel structure construction such as large stadium , airport, exhibition center and mine as well asmachinery, ship-building and household.
Adering to the tenet of "quaity first and credit first", the company has implemented ISD9000 quality management system standard since 2000 and provided perfect products and consummate service to won trust and support from vast majority of customers.
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