Infront Micro, Aerospace Science and Technology, Big Dipper, Qi Ming Information, He Zhongsiqiang, Siweituxin, Lu Sheng Communication.

Haige Communication, Soling, Xinning Logistics, Zhongke Electric, SuperMap Software, Huali Chuangtong, Obit,

Hailanxin, Digital Zheng Tong, Zhenxin Technology, Zhonghaida, Naiwei Technology, China Satellite, Sichuang Electronics,

Taihao technology, aerospace electronics, northern navigation, etc.