Helen Piano announced that the controlling shareholder of the company was changed to Quantuo Zhuodai, and the actual controller was changed to Cui Yongqing. Chen Hailun, Jin Haifen, and Chen Chaofeng transferred their total holdings of 60.266 million shares to Quantuo Zhuodai, and Helen Investment relinquished shareholders' voting rights corresponding to the 15.1733 million shares they held.

Helen Piano announced that the controlling shareholder of the company was changed to Quantuo Zhuodai, and the actual controller was changed to Cui Yongqing. Chen Hailun, Jin Haifen, and Chen Chaofeng transferred their total holdings of 60.266 million shares to Quantuo Zhuodai, and Helen Investment relinquished shareholders' voting rights corresponding to the 15.1733 million shares they held.