The following are well-known electronics factories:

1. ZTE: China State-owned Telecom Equipment Company, which covers communication, software and other fields and is one of the largest suppliers of communication equipment and solutions in the world. In the headquarters of Haidian District, it has huge R&D and production strength.

2. Huawei Hisilicon: A chip design company under Huawei, mainly engaged in chip design, R&D and sales. Hisilicon chips are widely used in portable devices, intelligent terminals, network devices, cloud computing and other fields, and it is one of the largest chip design companies in China.

3. Hongtai Optoelectronics: a high-tech enterprise specializing in the research, manufacture and sales of PDP displays.

4. Beijing Netac Intelligent Technology Co., Ltd.: As one of the earliest companies engaged in the field of intelligent lighting control in China, it has its own R&D team and is committed to providing high-quality energy-saving, intelligent and green lighting solutions and smart city construction services. The above four enterprises all have headquarters in Haidian District, with relatively high technical strength and popularity.