1, Purple light Guowei
2. Huizhong Shares
3, Lingyun shares
4, blue bird fire
5, CSIC 718 Research Institute
6, Tonghui electronic technology
7, Hebei with light crystal
8, Hebei China porcelain electronic technology
9, Shi Jiazhuang Maitda electronic technology
10, Hebei Matai electronic technology