On August 2017 16, China Unicom officially announced the mixed reform plan, and four strategic investment partners, such as BATJ 14, officially entered the company, which opened the curtain of mixed reform of China Unicom. After the completion of mixed reform, the shareholding ratio of Unicom Group in China Unicom decreased from 62.7% to 36.7%, with strategic investors holding 35.2%, employees holding 2.6% and public shareholders holding 25.5%.