No need.
Article 32 of the "Regulations on the Implementation of the Tendering and Bidding Law" stipulates that restricting or specifying specific patents, trademarks, brands, origins or suppliers is an unreasonable condition for the tenderer to restrict or exclude potential bidders. person or bidder. Therefore, there is no need to remove the other two brands from the technical documents of the three brands recommended for bidding.
Bidding refers to the act of a bidder (seller) submitting an offer to the tenderer at the invitation of the tenderer and in accordance with the conditions stipulated in the bidding notice or tender order within the specified period.