Qingdao Haotan Auto Parts Co., Ltd

Qingdao Haotan Auto Parts Co., Ltd. specializes in the R&D, production, and sales of precision mechanical tubes, including precision cold drawn/rolled seamless steel tubes and Electric Resistance Welded (ERW) tubes. The company operates cold rolling/ cold drawn processes with hot piercing, pickling, heating, peeling, straightening, cutting, annealing & solid solution, and inspection steps such as ultrasonic and eddy current testing. For ERW tube manufacturing, it runs high-frequency welding pipe production lines and produces round, square, rectangular, oval, and other special-shaped tubes, including pre-galvanized, painted, and related tube products. Its manufacturing equipment includes cold rolling production lines, high-frequency welded pipe production lines, annealing furnaces, straightening machines, and CNC lathes. The company holds ISO 14001:2015 environmental management certification and TS16949:2016 quality management system certification (IATF 16949:2016 scope includes production of cold-rolled seamless steel pipes). Products serve industries such as automotive components, mechanical processing, construction, boilers, oil & chemical, power/energy, ports & ships, bridges, sports equipment, decoration, textile machinery, and related applications.

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