Shanghai Keysemi Co., Ltd. is a fabless integrated circuit design company based in China. The company is composed of a group of senior engineers who have been in the integrated circuit industry for many years, love and focus on the integrated circuit industry. For intelligent measurement, industrial communication interface, power management, motor control and other fields. The company takes the customer's product design requirements as the core, and continues to provide customers with high reliability series of chips with the spirit of craftsman.