- Yaguang Company
- Address:Heiyupao, Shuangyashan, Heilongjiang, China
- ShenZhen Aerospace Micromotor Co., Ltd.
- Address:GongMing, Shenzhen, Guangdong, China
- DeQi Timing Pulleys Manufacture(kunshan)Co.,Ltd
- Address:No.3 Taishan Road, Kunshan, Jiangsu, China
- Zhongya
- Address:daxizhang, Shijiazhuang, Hebei, China