Minnesota Mining and Manufacturing founded in 1902 and headquartered in St. Paul, Minnesota, USA, is a world-renowned multinational enterprise with diversified products. 3M is a global diversified technology company founded in 1902. It is famous for its courage in innovation and variety of products. It produces tens of thousands of innovative products in medical products, highway safety, office cultural and educational products, optical products, etc. The core market occupies a leading position. The fields involved include: industry, chemical industry, electronics, electrical, communication, transportation, automobile, aviation, medical treatment, security, construction, culture, education, office, business and household consumer goods, etc.