为了简化退税申报凭证，加快退税进度，切实支持出口创汇，深圳市国家税务局对深圳市１１３０户出口企业划分为Ａ、Ｂ、Ｃ、Ｄ四类进行管理，并对其出口货物退（免）税区别对待。根据深圳国税局的规定，Ａ类企业必须是生产船舶、大型成套机电设备等，生产周期通常在１年以... In order to simplify the tax declaration vouchers, speed up the progress of tax refunds, and earnestly support foreign exchange earnings through exports, the Shenzhen Municipal State Administration of Taxation categorized the 1,130 export enterprises in Shenzhen as A, B, C, and D, and withdrew their export goods (free). Taxes are treated differently. According to the regulations of Shenzhen State Taxation Bureau, Class A enterprises must be manufacturing ships, large-scale complete sets of electromechanical equipment, etc. The production cycle is usually 1 year...