What is the 163 mailbox of Rizhao Co., Ltd. of Shandong Iron and Steel Group for returning the bid bond? Please leave a message, thank you very much!

1) Before the deadline for bidding, the tenderee has the right to clarify the bidding documents, and the clarified documents will be published on the tenderee's bidding platform in the form of attachments. If the release date is less than 15 days from the bid deadline, the bid opening date will be postponed accordingly or will not be postponed after soliciting the opinions of bidders.

(2) If the bidder asks the tenderee to answer questions about the bidding documents, it shall submit them to the tenderee 10 days before the bidding deadline, and clarify the email address: sdgtrz@ 163.com, and send the PDF version and word version of the clarification documents to this email address. The clarification request document shall indicate the name of the bidder and the project subject to tender. If it is not indicated as required, the tenderer has the right to treat it as if it has not received the clarification request document. The tenderer shall reply 5 days before the deadline for bidding, and the reply does not explain the problem.