Legal analysis: legal. Signed contract, the contract price is lower than the winning price of the contract, as long as the contract in line with the law other legal provisions, the contract signed is legal. The bid price is the bidder according to the conditions of the bidding documents statute to complete the bidding project approach intended, start, complete and repair any defects in the bidding price. The bid price is required to be quoted in accordance with the relevant regulations and the bidding documents on the price terms, and if necessary, need to be accompanied by a breakdown of the bid price.
Legal basis: "The Chinese People's *** and the State Bidding Law" Article 41 of the winning bidder's bid shall meet one of the following conditions: (a) to maximize the ability to meet the bidding documents set forth in the comprehensive evaluation of the criteria; (b) to meet the substantive requirements of the bidding documents, and evaluated the bidding price is the lowest; but except for bidding prices below cost.