1. Determine the bidding methods: open bidding and invitation bidding.

2. Tender announcement: open tender to the public through public media. The tender announcement shall specify the name and nature of the project, the implementation time and the way to obtain the tender documents. And it will be publicized on the internet for five days. During these five days, we will accept registration, review the qualifications of bidders and prepare bidding documents.

3. Pre-qualification: In the online publicity stage, the tenderee can pre-qualify according to the bidders' registration, so as to know the enterprise operation status, project performance and capabilities of each bidder and master the first-hand information for future bid evaluation.

4. Preparation of bidding documents: The bidding documents shall include all substantive requirements and conditions such as technical requirements, effect requirements, payment methods, bidder qualification examination standards, project bidding quotation requirements and bid evaluation standards, and main terms of the contract to be signed.

5. Selling bidding documents: The bidding documents prepared for this project will be distributed to all bidders after examination and approval, and all bidders will prepare bidding documents according to the requirements of bidding documents and the actual situation of the project.

6. Organizing bid opening: According to the relevant provisions of the Bidding Law, publicly sing and demonstrate the bid, and announce the main contents of each bid document.