1. UPVC extrusion hollow squre pipe/tube. 2. Size:124mmX124mm, 2mm wall thickness,.2110mm, 1200mm, 800mm length or any other customized length.
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Square Gi Hollow Tube Manufacturers and Suppliers - Made Square Gi Hollow Tube Tianjin Tianyingtai Steel Pipe Co.. specialized in manufacturing steel pipe for more than 17 years. Round, rectangular and square pipe in black and galvanizing.We have 13 production lines and our own labotatory to guarantee the quality.We have been cooperating with many countries clients.