Domestic substitution of medical devices is accelerating. Recently, the Ministry of Finance and the Ministry of Industry and Information Technology jointly issued the "Government Procurement of Imported Products Audit Guidelines" show that 137 kinds of medical devices are required to purchase 100% domestic; On October 28, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences and Dongguan Du Shi Chengfa Precision Spring Co., LTD signed a contract to establish the "Medical Intervention Device Joint Laboratory", which further helps domestic equipment to open the market.