Chinese President Xi Jinping urged efforts to promote the healthy and high-quality development of the country's private sector at a symposium yesterday, Xinhua reported. Huawei's Ren Zhengfei, BYD's Wang Chuanfu, New Hope's Liu Yonghao, Will Semiconductor's Yu Renrong, Unitree Robotics' Wang Xingxing, and Xiaomi's Lei Jun attended the symposium.