Yuan Yi Chang (YYC) was established at Taichung, Taiwan, in 1980. It started with precision rack and has been devoted to the machinery industry for 42 years. And for a long time, it has been the highest market share and leading brand in Taiwan.
Now YYC products include: racks, pinion, guideway racks, roller bearings, planetary reducers and backlash free reducers, with excellent quality and stability, to meet domestic and international market demand.