Changzhou Shichuang Energy Co., Ltd.
Guangdong Aofei Industrial Co., Ltd.
Kunshan Guoji Electronics Co. Ltd.
Huizhou Huaju Plastic Chemical Technology Co., Ltd.
Henan Zhongsu New Material Co., Ltd.
Suzhou Monarch Control Technology Co., Ltd.
Henan Jiexing Emergency Rescue Equipment Co., Ltd.
Guangdong Joy Intelligent Technology Co., Ltd.Guangdong Sheng, China
Daesang E & C Co. Ltd.
Sichuan Liuhe Forging Co. Ltd.
Chang Yang Material Corp.
Nanjing iOptron Scientific, Inc.