Notify interested contractors to accept pre-qualification, purchase bidding documents and participate in bidding.
2. Invited bidding: also known as limited competitive bidding. In this way, no announcement is made, and the tenderer relies on his own experience and knowledge.
With all kinds of information, issue invitations for bidding to more than three contractors who have the ability to undertake the project.
The unit that received the invitation letter participated in the bidding.
3. Bidding negotiation: also known as non-competitive bidding or designated bidding. This bidding method is that the construction unit invites not less than two (including
2) The contractor shall choose the bidding method of the contractor through direct negotiation.