Liu Yiping: Male, born in 1963, with a master's degree. He used to be assistant manager of Tianjin General Machinery Company, project manager of Tianjin Economic and Technological Development Zone Corporation, assistant general manager of Huanmei Furniture (Tianjin) Co., Ltd., HR Commissioner of Shenzhen Zhonghua Bicycle (Group) Co., Ltd., business director of Shenzhen Gaoxintou Group Co., Ltd., director and deputy general manager of Shenzhen Longgang Venture Capital Guidance Fund Management Co., Ltd.; He is currently a partner of Shenzhen Xibo Innovation Investment Co., Ltd., an independent director of the seventh board of directors of the company, a supervisor of Shenzhen Tongzhou Electronics Co., Ltd., a supervisor of Shenzhen Kunqi Xinhua Co., Ltd. and a director of Silicon Semiconductor Equipment (Shenzhen) Co., Ltd.