Project demand tendency is particularly strong, that is, the user may have been informed of the procurement intention of one of the bidders, by this bidder to do the organization of the executor, in the case of other bidders are not willing to accompany the bidder to run, this bidder can purposefully go to look for willing to accompany the bidding of the people, at least to find more than three companies, that is, the accompanying bidder, to form a round-up of bidding Groups, and finally complete the set goal of bidding, so pay attention to this point, once the discovery of the end of the timely stop.
The bidder uses the invitation to tender, should be to more than three have the ability to undertake the bidding project, good credit specific legal person or other organization to issue an invitation to tender.
So even if the bidder has the intention of the unit, but also to invite at least three to participate in the bidding, often in order to be able to determine that there is no doubt about the bidding, these three will be determined by the winning unit, and even the bidding is unified by them to produce, sealing the bid to the three units to seal the good seal.