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Steel structure is a form of building structure mainly made of steel plates, steel sections, steel pipes, steel cables and other steel materials, which are connected by welds, bolts or rivets. Compared with other structural forms such as reinforced concrete structure, masonry and other masonry structures, steel structure not only has the advantages of high strength, light weight, plasticity, toughness and good seismic performance, and is suitable for mechanized processing, high degree of industrialization, short construction period.

From the perspective of the number of enterprises, 2019 China's annual output of steel structure more than 1 million tons of enterprises have 4, 500-1 million tons of enterprises 11, 100-500,000 tons of enterprises 39, 50-100,000 tons of enterprises 33, more small and medium-sized enterprises in the industry, less head enterprises.

Base surface cleaning → primer coating → top coat coating. (Try to choose automatic equipment such as: shot blasting machine sand blasting machine sand blasting room automatic sand blasting machine and other mechanical equipment; can effectively improve the adhesion of the product surface).

​On July 29, Qingdao Housing and Urban-Rural Development Bureau officially announced the list of the first batch of Qingdao Intelligent Construction Manufacturing Enterprises for the year of 2024, and the company was successfully selected by virtue of its achievements in the field of transformation and upgrading of construction industrialization, informatization, and intellectualization, and it is the only enterprise selected in the field of steel structure.