国际贸易 International trade
货物进出口 Import and export of goods
进出口代理 Import and export agency
技术进出口 Import and export of technology
化工产品 Chemical products
化学制品 Chemical preparations
石油制品 Petroleum products
百货批发 Wholesale of general merchandise
食品批发 Wholesale of food
五金批发 Wholesale of hardware
商务代理代办服务 Commercial agency services
技术服务 Technical services
技术咨询 Technical consulting
技术交流 Technical exchange
技术推广 Technical promotion
工程技术咨询 Engineering technology consulting
工程技术交流 Engineering technology exchange
工程技术转让 Engineering technology transfer
建设建筑工程设计 Construction engineering design
建设建筑施工 Construction engineering
建设建筑劳务 Construction labor services
水利工程施工 Water conservancy engineering
路桥工程施工 Road and bridge engineering