China's summer box office this year set a record high. It has exceeded 17.7 billion yuan ($2.5 billion), the highest summer box office in Chinese movie history, according to data from the Chinese movie ticketing platform Taopiaopiao. With excellent quality and creative movie promotion, Chinese domestic films have contributed a great force to the breakthrough of the summer box office. In this episode of BizBeat, CGTN's Zhu Zhu explains.