如何得知本届展会/How do I know this exhibition
互联网了解/the Internet understanding
展商推荐/Exhibitors are recommended
大会官方网站/the official website
电子邮件/the e-mail of the Organizing Committee.
媒体杂志、行业网站/media magazine
经销商推荐/The agency recommended
属于往届展商/the previous exhibitors
曾经参观过本会/Once visited us