Company Name: HeBei XinZhongLian Special Steel Tube (Group) Co., LtdProduction Equipment: We own 3 sets of precision square and rectangular tubes production equipment, 1 set of special pipes production equipment, 1set of heave JCOE/LUE set of production line. The introduction of foreign advanced technology, specializing in the production of large diameter, thick-walled Square and Rectangular Pipe.Products Show:1. Square tube: OD:30mm*30mm-500mm*500mm. Wall Thickness: 3mm-25mm2. Rectangular tube: OD:20mm*40mm-400mm*600mm. Wall Thickness: 3mm-25mm3. Structural steel pipe: JCOE Large diameter submerged arc welding tube: 325mm-1420mm LUE Large diameter submerged arc welding square and rectangular steel tube: 400mm-1200mm ERW High Frequency Welding Medium and Small Welded pipe: 57mm-508mm High Frequency Welding Square and Rectangular Tube: 30mm*30mm-400mm*400mm Seamless Square and Rectangular Steel Tube:30mm*30mm-500mm*500mm Seamless Round Tube: 32mm-720mm4. Round Pipe: LSAW/JOCE steel pipe: OD: 325mm-1420 Wall Thickness: 10mm-80mm Seamless Round Tube: 32mm-720mm