Guangdong Shenguo Kejian Co., Ltd. was established in 1984, and belongs to China Academy of Sciences. It is the first high-tech listed company in Shenzhen Stock Exchange (SZSE 0035, Zhongke Jian A). Kejian entered the field of mobile phone research and development in A) 1997, and successfully developed the first GSM digital mobile phone in China-Kejian KCH in 1998.
Domestic mobile phones refer to mobile phones independently developed and manufactured in Chinese mainland. OEM world brand mobile phones cannot be considered as domestic mobile phones. The advantage of domestic mobile phones is low price, but the disadvantage is uneven quality and serious imitation.
Domestic mobile phones include the following two categories: ordinary mass mobile phones of China's own brands, such as Huawei, Xiaomi, Meizu, LeTV, ZTE, OPPO, Lenovo, vivo, Gionee, Coolpad and Hammer; Chinese mainland is a brand mobile phone in foreign markets.
With the continuous improvement of the domestic mobile phone industry chain, although it can't guide the international mobile phone trend, the functions of domestic mobile phones can't be underestimated. Domestic mobile phones on the market include: three-proof mobile phones, smart phones, WIFI mobile phones, GPS navigation mobile phones, dual-mode mobile phones, dual-card dual-standby mobile phones, eavesdropping mobile phones and 4G mobile phones. Of course, high-definition camera, video chat, WAP surfing, JAVA game download, audio-visual entertainment, infrared Bluetooth, handwriting touch and so on are all functions of general mobile phone products.
As for the phone book, call reminder, SMS reading, e-book reading, not to mention, many of them have been classified in detail and cannot be classified as a major attribute of mobile phones alone.