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Duolun Vehicle Inspection Group (referred to as "Duolun Vehicle Inspection") was established in 2019 and is headquartered in Nanjing, Jiangsu Province. It is a wholly-owned subsidiary of Duolun Technology Co., Ltd. (stock code: 603528.SH) with a registered capital of RMB 300 million.

Duolun Vehicle Inspection is the first large chain-operated inspection agency listed on A-share main board in China. It has set marketization, brand building and professional service as its strategies and "investment, inspection and operation" as its main business. Its business includes the investment, construction and management of motor vehicle inspection stations and motor vehicle testing solutions. Now it owns Shandong Duolun Vehicle Inspection, Hebei Duolun Vehicle Inspection and other holding subsidiaries, as well as a dozen motor vehicle inspection stations.

In the future, Duolun Vehicle Inspection will leverage its capital, professional and management advantages as a listed company to become an integrated authoritative entity of motor vehicle inspection and testing and expand its business coverage across China. It aims to build a well-known vehicle inspection brand and set the industry benchmark for excellence in China.