The full name of 3M Company is Minnesota Mining and Manufacturing Company, which was founded in 1902 and headquartered in St. Paul, Minnesota, USA. It is a world-famous multinational company with diversified products. 3M company is famous for its innovation and various products, and has developed more than 60,000 kinds of high-quality products in the history of 100 years. Over the past century, 3M products have penetrated into people's lives, from household goods to medical supplies, from transportation, architecture to commerce, education, electronics, communication and other fields, which have greatly changed people's life and work style. In modern society, 50% of people in the world come into direct or indirect contact with 3M products every day, such as life protection products, 3M masks, 3M earplugs and so on. 3M China Co., Ltd. was incorporated in June 1984 1 1 in Shanghai, China. Is the first wholly foreign-owned enterprise in China and Shanghai. At present, 3M China Co., Ltd. has established 12 companies, 1/kloc-0 production bases, 27 offices,1R&D centers and 4 technical centers, with more than 8,200 employees.