Nantong Huaxin Central Air Conditioning Co., Ltd. is a scientific and technological innovative private intelligent manufacturer specializing in the research, development, manufacturing, sales and service of commercial and industrial new air series central air conditioning, with a registered capital of 20 million yuan. The company has passed iso9001:2015 quality system certification, iso14001:2015 environmental management system and OHSAS18001:2007 occupational health and safety management system certification. It has obtained "CCC", "CE", national industrial refrigeration equipment "production license", China Refrigeration Association "CRAA" and other certifications, and its credit rating is "AAA". The company adheres to the business principle of "order is the source of enterprise life, quality is the foundation of enterprise life, reputation is the continuation of enterprise life". Only the starting point has no end. Standardized management and advanced level of manufacturing grade ensure product quality. The enterprise has two R & D platforms, namely, Jiangsu Engineering Technology Research Center and Jiangsu postdoctoral innovation practice base. It is a national intellectual property advantage enterprise and a production university research cooperation base of Tongji University. It is a high-tech enterprise in Jiangsu Province; a private science and technology enterprise in Jiangsu Province; it has won the honors of Jiangsu model worker's home, Jiangsu May 1st Labor award, provincial model innovation studio, etc. The company relies on the labor model innovation studio as the carrier, and pays attention to the high skill training and training of employees. Among the 139 employees of the company, one has a postdoctoral degree and two have a master's degree. There are 45 graduates with bachelor's degree and 58 graduates with college degree or above. We have introduced one purple Lang talents with high skills and trained 26 senior workers in Chongchuan District. By December 2019, we have applied for 168 innovation achievements (including 28 invention patents) and created an economic value of more than 50 million yuan. The main products are roof type variable frequency air conditioning unit, condensing exhaust heat recovery air conditioning unit, hospital dedicated new air conditioning unit, temperature and humidity independent control system and other high-tech products, customized for domestic and foreign high-end customers, widely used in Shanghai Maglev, Shanghai Disneyland, Tesla super factory, China Aerospace Engineering, pharmaceutical and chemical fields, large general hospitals Zhongnanhai and other national key projects.