Question : what is the background of the zero - tariff policy towards the least - developed countries of africa 问：出台对非零关税政策的背景是什么？
A study on the competition relationship of vegetable trade under the treaty of zero tariffs between china and thailand 中泰农产品零关税协议下蔬菜贸易的竞争关系研究
Study on the zero tariff of fruit and vegetables between china and thailand and promotion of exporting competitiveness of fruit 中泰果蔬零关税效应及提升中国水果出口竞争力的思考
Taken together with the mainland s commitment on accession to the world trade organisation , about 95 per cent of 项货物提供零关税优惠，加上中国加入世界贸易组织的承诺，约有百分之
Taken together with the mainland s commitment on accession to the world trade organisation , about 95 per cent of 项货物提供零关税优惠，加上中国加入世界贸易组织的承诺，约有百分之
Between singapore and a number of participating countries , our boots enjoy preferential or zero duties in the participating countries 的实施，我们的靴子在参与国享有特惠或零关税待遇。
The impact and its countermeasure of the free tariff between china and vietnam to the trade of tropical crops between two countries 中越实行零关税贸易对两国主要热带作物进出口贸易的影响及其对策
