2. Beijing Dongwei Electronic Technology Co., Ltd. (No. 3, Dadong Industrial Park, Qingyundian Town, Daxing District, Beijing)
3. Beijing Ruimetaike Electronic Co., Ltd. (100 meters south of the Township Government of Yufa Shang Township, Daxing County, Beijing)
4. Beijing Dao Feng Weiye Electronic Technology Co., Ltd. (No. 101, Gate 1, Building 31, Commercial Street, Yinghai Town, Daxing District, Beijing)
5. Beijing Siremen Electronic Co., Ltd. (Xihongmen Town, Daxing County, Beijing)
6. Beijing Wanzhongtongke Electronic Co. Beijing Risheng Xinyuantao Electronic Technology Co., Ltd (No.2 Chengshou Road, Old Palace Town, Daxing District, Beijing)
8. Beijing Xinghuazi Electronic Technology Co., Ltd (No.17, Row 5, Tiangong Industrial Zone, Beizangcun Town, Daxing District, Beijing)
9. Beijing Encheng Electronic Technology Co. Ltd. (No. 189, Industrial Zone, Lixian Town, Daxing District, Beijing)
11. Beijing Sinoson Electronic Co.
14. Beijing Sida Chaopu Electronic Co. Ltd. (Beijing Daxing County, Huangcun Town, Daxing County, Beijing Jingkai Road, double Henan Road, Henan Road, Alkali River East courtyard 23)
17. Beijing Hao Yu Da Power Electronics Technology Co. Ltd. (No. 18, Keyuan Road, Industrial Development Zone, Daxing County, Beijing)
19. Beijing Huashun Ketong Medical Electronics Technology Co. (Room 101, First Floor, Vegetable Office, Huangcun Town, Daxing District, Beijing)
22. Beijing Guohuada Electronic Co. Beijing Yitian Electronic Technology Co., Ltd. (No. 188, Government Street, Anding Town, Daxing County, Beijing)
26. Beijing Record Ocean Electronic Technology Co. -Ltd. (No. A136, Changying Industrial Park, Changziying Town, Daxing District, Beijing)
29. Beijing Solitech Electronic Co. (No. B048, Science and Technology Industrial Park, Xihongmen Town, Daxing District, Beijing)
31.Beijing New Green Energy Ark Electronics Co. Beijing Oriental Xuzhou Electronic Technology Co., Ltd (300 meters west of Licun Village Committee, Huangcun Town, Daxing District, Beijing)
34. Beijing Guangyunda Electronic Technology Co., Ltd (No.A-15, Science and Technology Park, Caiyu Town, Daxing District, Beijing)
35. Beijing Suitable Good Electronic Technology Co. Beijing Jia Fei Weiye Electronics Co., Ltd. (No. 16, Beizangcun Town, Daxing District, Beijing, Industrial General Corporation yard)
37.Beijing Maida Jintai Electronic Technology Co., Ltd. (No. 74, Wei Shanzhuang Town, Daxing District, Beijing, Industrial District)
38.Beijing Fei Hua Taike Electronic Co., Ltd. (No. 26, Half Bidian Industrial District, Wei Shanzhuang Town, Daxing District, Beijing, China)
39.Beijing JiaWanyuan Electronics Co., Ltd (50 meters north of Beizangcun Township Government, Daxing County, Beijing)
40.Beijing KeWei ChuangTong Electronic Technology Co., Ltd (No. 30, Row 10, Lixian Township Industrial Zone, Daxing District, Beijing)
41.Beijing Ruide YongXin Electronic Co., Ltd (No. 11, Set 11, North of East Gate of the Sports Committee, Xingfeng North Street, HuangCun Town, Daxing District, Beijing)
42. >42. Beijing Red Star Shuangnan Electronics Factory (Shuangnan Village, Yizhuang Township, Daxing County, Beijing)
43. Beijing Changwei Electronics Co. Ltd. (Beijing Daxing County, Panggezhuang Town, Beijing Jingkai Highway, west of the Industrial Zone)
46.Beijing Dongyi Electronic Technology Limited Liability Company (Qingyundian Town, Daxing District, Beijing City, the south side of the road on the village of Fa Fa)
47.Beijing Rongyuan Xiantong Electronic Technology Limited Liability Company (Daxing County, Beijing City, next to the Old Palace Town Government)
48.Beijing Tongxin Century Electronics Co. Beijing Daxing County Yinghai Town Industrial Zone, No. 5)
49. Beijing Wanyuan Yongjia Electronic Technology Co.