As a leading supplier of exhaust cabinets and laboratory level furniture, Chengwei Company is a technological innovation enterprise that integrates research and development, manufacturing, and sales. Its production bases are a total of 60000 square meters factory areas, with more than 200 employees, and the technical level of the entire series of products have reached the highest international level, and their performance far exceeds national and relevant international standards. They adhere to the principle of "striving for excellence",and the business philosophy of "continuous innovation, intelligent manufacturing and no compromise on safety", which has helped the company become a leader in this field after more than 20 years of development.The company has been rated as a national high-tech enterprise, specialized, refined, and innovative enterprise, a municipal level research and development center for automatic variable air volume ventilation cabinets, a municipal level caring enterprise, one of Shanghai Laboratory Equipment Association (SLEA) members and the Scientific Equipment and Laboratory Furniture Association (SEFA), has successfully applied for nearly a hundred national patents, etc