If you?e not a serious buyer or seller, please check ?rial Membership?(That is, if you wish to browse or use EC21 for educational purpose only before using EC21 marketplace for serious trading, please check ?rial Membership? Trial Membership -> What? the difference? If you register as an EC21 member, your company information will be automatically posted in the EC21 company directory and you may receive email inquiries from global traders. If you do not wish to receive email inquiries, please check the box.