- Ruidong Group Co., Ltd.
- Address:No.6555,East Road Of Tianqu, East Project, Economic Development Zone
- Zhengzhou Zetin Electromechanical Equipment Co., Ltd
- Address:Zhongyuan District,Zhengzhou City,Henan Province, China. Zhengzhou, Hena
- Dongguan Jinyao Exactitude Equipment Co., Ltd.
- Address:Jingfu Road No 36, xiabian village, changan tow