All bids must be accompanied by a bid security of two per cent ( 2 % ) of total bid price or stated fixed amount and must be delivered in accordance with the instructions to bidders on or before ( hours ) on ( date ) , and will be publicly opened immediately thereafter 所有的投標(biāo)者都需繳納總投標(biāo)價的百分之二( 2 )或一定金額的保證金,并按投標(biāo)需知于開標(biāo)前交清,然后立即公開開標(biāo)。