According to the query huaru.com shows, "the Chinese people's *** and the state bidding and tendering law", article 60 of the winning bidder does not fulfill the contract entered into with the bidder, the performance bond will not be refunded to the bidder, the losses caused by the bidder more than the amount of the performance bond, but also should be compensated for more than part of the compensation, did not submit the performance bond, the bidder shall bear the responsibility of compensation for the loss.