■市场进入壁垒■刻意追求低价中标■高额保证金制度■市场信息不对称招投标法颁布实施以来,国内招投标市场发育迅速,工程项目一般都能在一、二级市场公开交易,市场形势似乎一片阳光灿烂。但随后出现的一些问题,让施工企业普遍感到郁闷,招投标市场依然缺少理性的阳光与公平的尺 ■ Market entry barrier ■ deliberately pursue low bid ■ high margin system ■ asymmetric market information Since the enactment of the bidding and tendering law, the domestic bidding and bidding market has developed rapidly, and projects are generally open to the primary and secondary markets. The market situation Seems a sunny. However, some problems that emerged later made the construction enterprises generally feel depressed. The bidding and tendering market still lacks the rational sunshine and fair ruler