In fact, it's all the same, except that this year, the national tax implemented an upgraded version of the VAT invoice, and the transport invoice and the special invoice were merged into one software, which simply opened the special VAT ticket and the general ticket by airmail. If you want to open freight tickets or motor vehicles or freight vehicles, use Baiwang. Why? The golden tax system was developed by TravelSky and the freight system was developed by Baiwang. Although they are compatible, there are differences in their use. Baiwang, which is mainly used by motor vehicle enterprises in the market, is a big airline in terms of market share, and there are differences in service between regions, so it cannot be generalized for reference.