This bidding document is prepared according to the laws, regulations, rules and normative documents related to bidding and tendering, and the characteristics and needs of this bidding project. The preparation of bidding documents shall follow the principles of openness, fairness, impartiality, honesty and credibility, and the construction supervision unit shall be selected on the basis of merit. The contents of the bidding documents have clearly reflected the scale, nature, commercial and technical requirements of the project.