With the continuous improvement of electrical industry standards and specifications, the accuracy of production and processing equipment, the continuous improvement of design scheme and manufacturing process, especially the leading of foreign advanced technology, the product performance and quality of domestic authorized brand cabinets have been greatly improved, Key industry users and even some high-end users have enhanced their initiative in choosing domestic authorized cabinets to a certain extent; In particular, the requirement of the localization rate of state-owned enterprises' bidding has promoted the rapid development of domestic authorized brand cabinets, resulting in a large market space.