China Kejian Co. Ltd is engaged in research, development and production of GSM and CDMA mobile phones. The company has imported advanced technology through cooperation with well-known international companies such as ADI and has improved its innovative capability to upgrade the technology of its products. It main products are the following mobile phones: K3900, K6800 and K100, for which the intellectual property rights are owned by the company. The company is also involved in the medical equipment and household electric appliance industries.

China Kejian, an affiliate with the Chinese Academy of Science, was the first high-tech company to be listed on the Shenzhen Stock exchange.