In the field of industrial control system, the manufacturer I know is Asia Control Technology, which should be regarded as the industry leader in the field of industrial control system. Since its establishment more than 20 years ago, its technology and services have been continuously upgraded. And joined the local information technology application and innovation working committee, actively promoted the innovation of industrial automation and confidence control system, and constantly moved closer to the construction strategy of "Digital China" to help the country build a digital platform for independent innovation in industrial control. It is necessary to support domestic production and cheer for domestic brands.