1, technical tender: mainly including company profile, company qualification, company's recent performance and award-winning project certificate, etc. , the project construction organization design scheme, the main personnel to be sent to the project department list, resume, certificate, etc.

2. Commercial tender: commitment letter for construction period, commitment letter for winning bid, commitment letter for quality assurance, project budget quotation, etc. The key to winning the bid is the budget quotation.

3. If there is a credit tender for large-scale projects, it mainly includes the company's assets, financial status, tax payment, signed project contracts, customer evaluation of completed projects in the past two years, etc.