Jiangsu Haizhan Machinery Co., Ltd specializes in manufacturing cold drawn precision steel pipe and honed / skived tubes. Haizhan produces tubes of Outer Diameter: 50-300mm, Wall Thickness: 2.5-36mm, which are used for hydraulic cylinder, pneumatic cylinder, oil pump cylinder and so on, annual output can achieve 15,000 tons.

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  ISO9001

Changzhou Kangcheng was founded in 2010, has 2 punch lines and 8 rolling lines with a monthly production capacity 600 tons . Kangcheng produces pipes of Outer Diameter: 6-83mm, which are used for auto bushing, shock absorber, precision equipments, instruments and apparatus. It takes IATF16949 as its quality management system and standard.

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  IATF 16949