shandong guowei metal factory shandong guowei steel factory guowei steel pipe factory.We specialize in producing various types of steel such as welded pipes, seamless steel pipes, and steel coils. Our main materials include 20 #, Q235, Q355B, etc. The product specifications are complete, with outer diameters ranging from 42mm to 108mm (commonly 42/48/50/57/60/76/89/108mm). Wall thickness covers 2.5mm to 7mm, outer diameter 42-89mm, wall thickness 2.5-7, outer diameter 108, wall thickness 3.5-7mm, etc. Customizable lengths of 5-12m, etc. Strictly implement domestic and international quality systems. The product is widely used in various industries such as fluid transportation, structural support, and mechanical manufacturing, supporting on-demand customization and small batch orders. Welcome domestic and foreign customers to discuss cooperation.专业生产焊管，无缝钢管，钢卷等多种钢材。主营材质涵盖20#、Q235、Q355B等。产品规格齐全，外径从42mm到108mm（常用42/48/50/57/60/76/89/108mm）等。壁厚覆盖2.5mm至7mm，外径42-89mm 壁厚2.5-7，外径108壁厚3.5-7mm等。可定制长度5-12m等。严格执行国内和国际化质量体系。产品广泛应用于流体输送、结构支撑及机械制造等多种行业领域，支持按需定制与小批量订单。欢迎国内外客户洽谈合作。
