All right. Established in June 2009 in Shanghai, China, Shanghai Yisheng Biotechnology Co., Ltd. is a high-tech enterprise integrating R&D, production and sales. The leaders of Shanghai Yisheng Biotechnology Co., Ltd. are very kind to employees and will not force them to work overtime. They will also care about their employees from time to time at work. Because employees are particularly satisfied with their leaders, there are few problems such as being late for work every time.