CHIPSEA technology, founded in September 2003, is a full signal chain integrated circuit design enterprise integrating perception, calculation, control and connection.  We focus on the r&d and design of high-precision ADC, high-reliability MCU, measurement algorithm and AIoT one-stop solution.  Products and solutions are widely used in industrial measurement and industrial control, communications and computers, lithium management, consumer electronics, automotive electronics, smart home, smart meters, smart health and other fields.  Headquartered in Shenzhen, the company has set up subsidiaries in Hefei, Xi 'an, Shanghai and Chengdu. It is a state-level high-tech enterprise and has been recognized as "Guangdong Engineering Technology Research Center of Iot Chip Development and Application" by Guangdong Provincial Science and Technology Department, and has won the title of "Little Giant" of state-level specialization and special innovation.  There are reliability testing center, health measurement laboratory, perception laboratory and MCU laboratory.  The company's annual r&d investment is more than 20%, r&d personnel account for nearly 70%, core members have more than 10 years of work experience.  By the end of 2021, the company has applied for 694 patents and obtained 307 authorized patents, ranking first among the listed chip design companies on the Science and Innovation Board in terms of the number of patents.