Within 1 week after distribution of the tenderinvitation document, answer questions by fax or email.
自招标文件发出后一周内，通过传真或邮件的形式组织答疑。
2
The tender documents must be sealed pursuant to the requirements of the tenderinvitation documents to be effective;
投标文件必须按招标文件要求进行签章方为有效；
3
The planning, preparation, tenderinvitation, promotion and discussion meetings will be carried through according to international exhibition standards.