About Us

Total solution for thread rolling, spline rolling, chipless process and precision gears manufacturer.

Gear Specialized
Yieh Chen Machinery Co., Ltd is the affiliate of Six Star Group. Six Star was founded in 1975 by Six brothers and devoted to the manufacturing of precision gear products. Throughout these years, Six Star has become one of the Top Five gear manufacturers in Taiwan. With a focus on precision gears and gearboxes, Six Star offers a broad range of industries, including machine tools, aerospace, agriculture machinery, robotic arms, transmission, hydraulic pumps and industrial machines.

Machine manufacturer
Based on Six Star's professional and rich experience of manufacturing various precise gears, Yieh Chen Machinery was established in 1984 into the market of machinery industry and is dedicated to produce Thread rolling machine and Spline rolling machine with high quality and durable lifetime.

We offer customer rigid machine with function of precision, durable, simple operation, easy maintenance and competitive price. Moreover, we design fully automation production lines for thread rolling machine, wire forming machine, special purpose machine, entire automation production lines are all in our service areas in order to provide total solution for customers.

Yieh Chen is never slackening off on pursuing being the best in the global market. Hence, We wish to achieve higher customer satisfaction and build closer relationship with customers by advancing our quality level.