Yieh Chen Machinery Co., Ltd. - Yieh Chen is your Thread Rolling and Spline Rolling solution. Sixstar is an ISO9001 & AS9100 Certified Manufacturer of Gears
Total solution for thread rolling, spline rolling, chipless process and precision gears manufacturer.. 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. 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.
Yieh-Chen will be an excellent choice for you.
Good service and good value with affordable prices is our promise to you.
Excellent Quality
Awarded the certificate of the ISO-9001 Quality Assurance System and AS9100 (For Aerospace Industry)
Trsuted Vendor
We wish to achieve higher customer satisfaction and build closer relationship with customers by advancing our quality level.
Professional Customization
All gears can be customized with innovative solutions to meet each customer's demands.
Hot Product
HotCam Driven Thread Rolling Machine
Max Outer Diameter 12.5mm or 1/2”, Smart and simple design and ease of operation for producing fine quality small screws.
HotHeavy Duty Thread Rolling Machine
The heaviest thread rolling machine from Yieh Chen with more than 120 tons rolling pressure.
HotCustomize Your Gear
Includes Spur Gear, Helical Gear, Cycloid Gear, Worm/Worm Shaft, Bevel/Spiral Bevel Gear, Precision Spur/Helical Gear Rack.