To solicit offers from providers, the best-price purchase process relies on an Invitation to Bid (ITB), also known as Invitation to tender (ITT), Invitation for Bids (IFB), or Sealed Bids.

为了从供应商那招徕报价，最佳价格采购过程取决于招标邀请书，也被叫做投标邀请函，投标邀请书或密封投标。

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This paper analyzes the bidding game model of project tender company with incomplete information in the bidding market of bill of quantities, by using the first-price sealed auction.

本文通过运用博弈论中一级密封价格拍卖理论，研究了建设工程投标企业在不完全信息下的工程量清单投标报价博弈模型。

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Bidding documents sent by the bidders should be signed by more than two members of the Tender Committee of Yanda International Hospital, the highest principal, and then sealed up.

投标人在投标时，所送达的标书，需经招标委员会两人以上签收，并经最高负责人最终签收后，给予封存。

youdao

Any amendments or clarifications will be communicated directly to all Bidders who have requested for a complete set of solicitation documents and officially confirmed their intention to submit a sealed tender.

UNESCO: 933 ALB 4000 - Restoration of the historical centre of Gjirokastra in Albania | United Nations Educational, Scientific and Cultural Organization

Any amendments or clarifications will be communicated directly to all Bidders who have requested for a complete set of solicitation documents and officially confirmed their intention to submit a sealed tender.o remuneration will be made to companies for preparation and submission of their tenders.

UNESCO: RFP/579KOS4000/4 - Restoration of the wall paintings of the Monastery of Gracanica (Deadline: 7 November 2011) | United Nations Educational, Scientific and Cultural Organization