Jiangsu Weida Semiconductor Co., Ltd. is a high-tech enterprise engaged in R&D, production and sales of semiconductor discrete devices. The company has a mature core team, complete technological innovation capabilities, and a good market source at the beginning of the company. The company's main investor is Shanghai Weir Semiconductor Co., Ltd. Shanghai Weir Semiconductor Co., Ltd. (stock code: 603501) is a semiconductor device design and sales company with independent research and development, sales and services as the main body. The company was established in May 2007 and its headquarters is located in the "Silicon Valley of China". Shanghai Zhangjiang Hi-Tech Park has established offices in Shenzhen, Taiwan, Hong Kong and other places. Weir Semiconductor's performance has maintained steady growth for many years, and has gradually become a semiconductor device manufacturer.