• Constantly upgrading Performance
    Constantly upgrading
    Performance
  • AS9100 Aerospace Quality System Certified
    AS9100 Aerospace
    Quality System Certified
  • Professional Spline Rolling Machine
    Professional
    Spline Rolling Machine
  • CHIPLESS • DURABLE • EFFICIENT
    CHIPLESS • DURABLE • EFFICIENT

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Yieh Chen Machinery is specialized in manufacturing efficient and durable Thread Rolling machine and Spline Rolling machine. Six Star offers high-quality precision gears to a broad range of industries.



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Yieh Chen Machinery Co., Ltd.


Yieh Chen Machinery is the affiliate of Six Star Group. Six Star was founded in 1975 and devoted to manufacture precision gear products. Yieh Chen is dedicated to produce Thread rolling machine and Spline rolling machine with high quality and durable lifetime.


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