invitational bid meaning in English

邀叫

With respect to special projects for which neither public bidding nor invitational bidding is appropriate , application shall be made to the department in charge of construction at county or higher level or to a bid institution authorized thereby to conduct bid negotiation upon approval
对不宜公开招标或邀请招标的特殊工程，应报县级以上地方人民衙门建设行政主管部门或其授权的招标投标办事机构，经批准后可以议标。
With respect to special projects for which neither public bidding nor invitational bidding is appropriate , application shall be made to the department in charge of construction at county or higher level or to a bid institution authorized thereby to conduct bid negotiation upon approval
对不宜公开招标或邀请招标的特殊工程，应报县级以上地方人民政府建设行政主管部门或其授权的招标投标办事机构，经批准后可以议标。