Company Profile: YYC (Yuan Yi Chang) Machinery Co, Ltd
YYC (Yuan Yi Chang) Machinery Co., Ltd. is a globally recognised manufacturer in the transmission industry, with more than 40 years of experience in the design and production of high precision rack and pinion systems. The company has built a strong reputation for delivering reliable, high performance motion components to machine builders worldwide. YYC operates to ISO 9001 standards and works closely with the Industrial Technology Research Institute, reflecting its strong technical foundation and commitment to continuous improvement.
Precision Rack and Pinion Systems
YYC specialises in the manufacture of rack and pinion products, including precision ground helical racks, guideway racks and pinions. These products are designed to deliver high accuracy, rigidity and long service life, even in demanding industrial environments. YYC is recognised as one of the world’s largest producers of M2 helical ground racks, demonstrating both its manufacturing scale and technical capability. Its rack and pinion systems are positioned firmly in the middle to high end market, where consistent quality and performance are critical.
Applications Across Advanced Machinery
YYC rack and pinion systems are widely used by machine builders across a broad range of industries. Typical applications include CNC machines and machining centres, gantry milling machines, grinding and drilling machines, bending and cutting machines, wood working and printing equipment, robotic arms, automatic storage systems, semiconductor manufacturing equipment, cranes and advanced linear axis solutions such as 7th axis applications for Industry 4.0. This wide adoption highlights the flexibility and reliability of YYC products in both traditional and highly automated machinery.
Total Solution Supplier
With decades of continuous development, YYC has evolved into a comprehensive supplier of rack and pinion solutions. By offering a complete and well matched range of racks and pinions, including guideway rack options, YYC enables customers to source high quality transmission components efficiently from a single partner. This approach simplifies system design and procurement while ensuring optimal performance and long term reliability.
Quality, Customisation and Global Reach
Quality is central to YYC’s manufacturing philosophy. Its products are supported by robust in-house quality control processes and proven performance in real world applications. In recognition of this, YYC received the National Brand Yu-Shan Award for Best Enterprise in 2015, followed by the Yu-Shan Award for Best Product and the Golden Torch Prize in 2016 for its ultra high precision rack and pinion systems. YYC exports to nearly 50 countries worldwide and is known for its ability to provide customised solutions, competitive pricing through efficient production, and responsive technical and commercial support.
A Reliable Long-Term Partner
YYC’s goal is to be a reliable and smart partner to machine builders and system integrators across the globe. By combining long standing experience, large scale manufacturing capability and a customer focused approach, YYC continues to support the success of its partners in increasingly advanced and automated industries.
