Beijing
Beijing E-motion Control Equipment Technology Co., Ltd. Add: 1-1605, Building 2, 29 Jia North San Huan C Rd., Beijing Tel: （010）82025588-18 82022354 Fax: （010）82025558 Zip: 100029	Beijing Ideal Automation Technology Co., Ltd. Add: Rm.408 Jinxin Hotel & Office Building, 28 North San Huan E. Rd., Beijing Tel: （010）84286636 84287373 Fax: （010）84287373 Zip: 100013
Xi'an
Gaoshang Technical Development Company of Northwestern Polytechnical University Add: 811# Mailbox, Northwestern Polytechnical University, Xi'an Tel: 029-8496047 Fax: 029-8496047 Zip: 710072	Automation Engineering Department of Xi'an Micromotor Research Institute Add: 2 Tao Yuan W. Rd., Xijiao, Xi'an Tel: 029-4276691 Fax: 029-4234756 Zip: 710077
Chengdu Chengdu Step-servo Co., Ltd. Add: Rm.1010 Lianyi Mansion, No.1 Western Section, Yi Huan Rd., Chengdu Tel: 028-7018147 7011014 Fax: 028-7011014 Zip: 610072	Harbin Haitian Automatic System Co., Ltd. of Harbin Institute of Technology Add: Rm.3002, HIT Technology Building, Fu 90 Xi Da Zhi Street, Harbin Tel: 0451-6412855 Fax: 0451-6415384 Zip: 150001
Zhuhai Iriye E&M Equipment Co., Ltd. Add: 8F-9F, Huahai Building, 2072-2074 Feng Huang N. Rd., Xiangzhou District, Zhuhai Tel: 0756-2213000 Fax: 0756-2213008 Zip: 519000	Wuhan Xinweiqi Technology Co., Ltd. Add： East Building 8, Main Zone of Huazhong University of Science & Technology Tel:027-87544086 Fax:027-87544086 Zip:430074