163文库网
163文库是一个专业的教育资料分享与下载平台。在本平台,你可以分享或者下载幼儿园、小学、初中、高中、职教等各个学段的精品课件ppt、教案、教学设计、试题试卷、课文视频听力mp3、教学计划、电子课本教材、中考及高考复习资料等。
ECV International is a leading organizer and contractor of high-end business events in Asia,with 200 professionals in industrial research and event planning&execution.Every year,we hold around 40 high-level international summits involved in the fields of vehicle,retail,textile,footwear,IoT,New Science&Technology industry,etc.