海关总署署长牟新生日前提出 ,据预测 ,中国加入世贸组织之后 ,在关税制度方面将会有三大变化 :一是按照中国承诺继续分步降低关税税率。二是全面实施世贸组织海关估价协议。中国已经做好了立法上的准备 ,具体的操作方法也正在研究制定之中。入世后 ,中国海关的估价工作将会作 Mou Xinsheng, director general of the General Administration of Customs, proposed beforehand that it is predicted that after China’s accession to the WTO, there will be three major changes in the tariff system: First, China will continue to step down its tariff rate step by step. The second is the full implementation of WTO customs valuation agreement. China has already made legislative preparations and the specific methods of operation are under study and formulation. After joining the WTO, the valuation work of China Customs will be made