Chengdu Yunhong Technology Co., Ltd. is a private enterprise integrating engineering technology research and experimental development. It has researched and developed a variety of lightweight facilities for aviation ground support, and lightweight research and development of various aerospace supporting facilities, municipal facilities and water and electricity maintenance facilities. The company actively explores and innovates, and has established a structural performance laboratory and a lightweight metal welding research studio. In December 2022, the company was officially approved to establish the "Enterprise Science and Technology Association" and was awarded the "Pidu District Science and Technology Association Member Unit"! The company has introduced very influential consultant experts to provide strong support for the company's structural design and automation research and development, and to provide continuous guarantee for talent training and technical research and development. Through the unremitting efforts of the team, it has trained a number of international professional welders, lightweight structure designers, and VT and PT non-destructive testing personnel, and has successively overcome the welding difficulties of 2014A aluminum alloy and 7075 aluminum alloy. Among them, the tensile strength of the weld of 2014A aluminum alloy has reached 395Mpa, and the tensile strength of the weld of 7075 aluminum alloy has reached 534Mpa, both of which have reached the international leading level and are of revolutionary significance for the promotion and application of lightweight structures.