Dalian Tiansi Vocational Training School is the only training institution for used car appraisers in Dalian. Dalian Tiansi Automobile School was founded by Dalian Tiansi Automobile Service Group with the approval of the provincial and municipal governments. It is a full-time boarding school with secondary vocational and technical education (technical secondary school) as the main body, supplemented by automobile service training and automobile driving training. The school is rated as a key school by the province and the state, and it is the only automobile service training base awarded by Dalian Municipal Government.

Used car appraisers generally refer to used car appraisers. Second-hand car appraiser is a professional qualification engaged in technical appraisal and price evaluation of second-hand cars, and it is one of the six major appraisal professions established after the State Council standardized the national asset appraisal industry.