As a high-tech enterprise and hidden champion in the field of aviation refrigeration, Tiandajirong has always adhered to the development concept of "technology based enterprise" and built an independent technology system covering aerodynamics, intelligent temperature control, energy conservation and environmental protection. The company has multiple core patented technologies, among which the variable frequency vortex refrigeration technology breaks through the energy efficiency bottleneck of the industry and has the advantage of high efficiency and energy saving compared to traditional solutions. At present, our products cover more than 20 countries and 200 airports on four continents, and we have delivered over 3000 aircraft ground air conditioning equipment. Adhering to the principle of quality first and service foremost, Tianda Jirong relies on the advantages of CIMC Tianda's integrated after-sales service, global resident points, and regular inspection airports, and has a technical and professional service team that responds quickly. The service network is deeply embedded in the global air port equipment field; At the same time, it has the necessary resource allocation for the installation, commissioning, coordination, interlocking, etc. of boarding bridges and bridge equipment. It can tailor and provide various after-sales service modes according to the actual needs of customers, and has established a good reputation in the global civil aviation field.