1, the supervision unit can act as a construction bidding agency, and the construction unit can no longer sign a price reduction agreement with the supervision unit after winning the bid, which violates the contract law.

2.a The construction unit is eligible to participate in this bidding activity. Public bidding includes domestic public bidding and international public bidding. If it is not stipulated in the bidding documents, any qualified construction enterprise, including foreign enterprises, can participate in the bidding.

3. The bid evaluation committee is composed of representatives of the tenderee and relevant technical and economic experts, with an odd number of more than five members, of which the technical and economic experts shall not be less than two thirds of the total number of members. So first of all, the number of judges is not enough, at least seven, and there should be no one in the bidding management office among the judges.

4. The bidding documents are valid, except that the four companies, B, D, F and H, did not meet the conditions of bid rejection. Among them, although the quotation of B is lower than other quotations, it should be compared with the pre-tender estimate, not with the quotations of other bidding enterprises.