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Yuan Yi Chang Machinery Co., Ltd. (YYC)
China
Who are we?
YYC Machinery — Precision Rack and Pinion with Flexible Manufacturing Power
Combining standardized efficiency with customized flexibility — YYC’s dual-track manufacturing power.
With over 45 years of experience in precision gear manufacturing, YYC Machinery has established one of the most comprehensive and data-driven production systems in the rack and pinion industry.
We currently manage more than 16,500 active SKUs, covering racks, pinions, and motion components in various modules, lengths, and precision grades.
Our annual production capacity exceeds 500,000 pieces, ensuring both stable supply for standard products and rapid delivery for customized projects.
YYC Machinery — Precision Rack and Pinion with Flexible Manufacturing Power
Combining standardized efficiency with customized flexibility — YYC’s dual-track manufacturing power.
With over 45 years of experience in precision gear manufacturing, YYC Machinery has established one of the most comprehensive and data-driven production systems in the rack and pinion industry.
We currently manage more than 16,500 active SKUs, covering racks, pinions, and motion components in various modules, lengths, and precision grades.
Our annual production capacity exceeds 500,000 pieces, ensuring both stable supply for standard products and rapid delivery for customized projects.
Our values
At YYC, we focus on delivering precision gear rack solutions that combine accuracy, durability, and real-world industrial performance.
Precision You Can Rely On
Manufactured up to DIN 5 / AGMA 12 standards
Ground tooth profile for low backlash and high positioning accuracy
Stable quality supported by controlled production and inspection processes
Flexibility for Diverse Applications
Full range of helical and straight gear racks (M0.5–M12+)
Customizable in length, material, heat treatment, and mounting design
Widely used in: CNC machine tools / Laser cutting systems / Automation and gantry applications
Performance Built for Industry
Materials: S45C, SCM440, Aluminum, SUS Stainless Steel, POM plastic and so forth.
Heat treatment options: induction hardened or carburized etc.
Designed for: High load capacity / Smooth and quiet operation / Long service life
Global Value Positioning
Quality comparable to European premium brands
Competitive pricing with reliable lead time
A trusted partner for OEMs and industrial distributors worldwide
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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