Tower tube is used as the support beam of tower crane, tower tube adopts the square tube of shun Li steel industry, special specifications and models our company can be customized according to customer requirements, our company has been customized all year round tower crane, steam crane, crane, lifting machinery with square tube, our company's square tube production line adopts high-frequency welding cold bending molding technology, advanced technology, Excellent equipment, strong technical force, complete quality testing.
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