In order to strengthen the study and Research on the policy functions of special customs supervision areas, improve the expansion functions of special customs supervision areas in the whole province, earnestly carry out the pilot work related to the qualification of general VAT taxpayers in the comprehensive bonded zone, promote the enterprises in the comprehensive bonded zone to enjoy more policy dividends, cultivate new competitive advantages, and promote the high-level and high-quality development of the comprehensive bonded zone, on March 3, The Provincial Department of Commerce held a policy and business training course for the province's comprehensive bonded zone in Jinan. The meeting was presided over by Zhang Guoliang, director of the Development Zone Department of the Provincial Department of Commerce. Relevant expert leaders of Taxation and customs and representatives of typical pilot enterprises were invited to comprehensively interpret the relevant policies on the pilot of general taxpayer qualification of value-added tax by means of video lectures, case analysis and experience introduction. The training course was held in various cities in the form of video. 14 persons in charge of the development zone management section of the Municipal Bureau of Commerce, relevant competent departments of Linyi comprehensive bonded zone and key enterprises participated in the video training.