Frequently Asked Questions (FAQ)

Yieh Chen is your Thread Rolling and Spline Rolling solution. Sixstar is an ISO9001 & AS9100 Certified Manufacturer of Gears

FAQ


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1. What is the minimum order quantity for gear parts?Yieh Chen Machinery specializes in the production of customized precision gears. Depending on the size of the module and the complexity of the process,...

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1. What are the commonly used materials for thread rolling workpiece?A: The most popular materials are soft materials, low carbon content, and non-harden steel with large-scale and economical property,...

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31 Years Thread Rolling Machines Manufacturer | Yieh Chen

Located in Taiwan, Yieh Chen Machinery Co., Ltd. has been a precision gears, thread rolling and forming machines manufacturer. Their main gears and machines include, spur gears, helical gears, thread rolling machines, spline rolling machines, multi forming machines and special purpose machines, with machine tools from Switzerland, Germany, USA, and Japan to make gears comply with DIN, AGMA, JIS, and GB quality standards.

Yieh Chen Machinery Co., Ltd. is a gear manufacturer of gear for air screw compresser, cnc lathes, machining center, printing machines and more. Also, we providing quality thread rolling machine, spline rolling machine, multi forming machine. 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 has been offering customers high precision gears, thread rolling and forming machines, both with high-quality manufacturing and 39 years of experience, Yieh Chen ensures each customer's demands are met.