(1) On the electronic signature page, the bid document shows gray unsigned. Select the corresponding document to be signed, and select the type to be signed on the right.

(2) Drag the seal to the position where it needs to be stamped, and then click Save and Stamp. After all the documents are signed, the corresponding file names will be countersigned on the right. After confirming that the signature effect of the electronic bidding documents of the current project meets the requirements of the procurement documents, click Next.