It is recommended to refer to www.c 1 14.net, which will generally list well-known communication manufacturing enterprises.
The top 50 domestic companies have a simple ranking. You can refer to it
1 Huawei Huawei
2 Zhongxing Zhongxing
Alcatel-Lucent and Shanghai Bell & Shanghai Bell
4 China Putian China Putian
5 Fenghuo Communication
6 Datang Telecom Datang Telecom
7 Jin Peng
8 Chang Fei
9 AsiaInfo
10 Nanjing Lianchuang
1 1 prosperity
12 Zhongtian
13 bay network
14 Fortis Group
15 Jingxin
16 Huiyuan optical communication
17 Tongguang
18 Yongding
1900 million Yangxintong
20 special messages
2 1 Jiangsu Zhongli Optoelectronics Group Co., Ltd.
22 Fujian Star Network Ruijie Communication Co., Ltd.
23 Zhejiang Fuchunjiang Communication Group Co., Ltd.
24. Shenzhen Guoren Communication Co., Ltd.
25. Beijing Ruisikangda Technology Development Co., Ltd.
26 Zhuhai Hansheng Industrial Co., Ltd.
27. Beijing Zhongxin Testing Technology Co., Ltd.
28 Xiamen Ke Hua Hengsheng Co. Ltd.
29 Xiang Yan Intelligent Technology Co., Ltd.
30 Suzhou Keda Technology Co., Ltd.
3 1 Zhuhai Chuangwo Science and Technology Development Co., Ltd.
32 Fujian three yuan da Communication Co., Ltd
33 Hangzhou Dongxin Beiyou Information Technology Co., Ltd.
34 Dalian Yuhuan Group
35 Huasi Technology (Shanghai) Co., Ltd.
36 Beijing Oriental Xinlian Technology Co., Ltd.
37 Jiangsu Farsheng Photonics Co., Ltd.
38. Xigu Optical Fiber and Cable Co., Ltd.
39 Jiangsu Feiyue Rainbow Communication Group Co., Ltd.
Fujian Netcom Information Technology Co., Ltd.
4 1 Beijing stage Information Technology Co., Ltd.
42 Beijing Greenwell Science and Technology Development Co., Ltd.
43 Anhui Zhongke University Iflytek Information Technology Co., Ltd.
44 Beijing Hanming Information Communication Technology Co., Ltd.
45 Guangzhou Hi-Tech Communication Technology Co., Ltd.
46 Beijing Huahuan Electronics Co., Ltd.
47 Beijing Xunfeng Optical Communication Technology Development Co., Ltd.
48 Beijing You Zheng Network Communication Technology Co., Ltd.
49 Hangzhou Tianyuan Information Technology Co., Ltd.
50 Internet Tianxia Technology Development (Shenzhen) Co., Ltd.