By 2023, Changsu group has 30 + blow molding machines and 750 injection molding machines, which can be used for medical medicine barrels, cold chain transportation devices and other equipment. At the same time, Changsu group has the ability to provide professional transportation boxes for professional medical units. The group's subordinate industries can produce VIP vacuum insulation vaccine box with high heat resistance performance and multi temperature zone phase change cold storage plate. It can provide more than 120 + hours of cold chain constant temperature transportation technical services for the pharmaceutical cold chain industry.