The process for registering construction materials is as follows:

1. Online declaration: Firstly, the contractor logs into the portal, then proceeds with online declaration of contract filing in the Construction Project Contract Filing Management Information System. Fill in the relevant information in the corresponding contract filing form based on the specific nature and content of the contract, and print the contract filing form with a barcode.

2. Process the filing procedure. The parties to the contract should bring the relevant documents to the contract filing administration agency to complete the filing process and issue the official contract filing certificate. The filing agency will review the contract filing documents provided by the parties. Upon approval, a special filing seal will be affixed.

Required Documents for Contract Filing:

Original "Application Form for Construction Project Construction Permit"

2. Original four copies of the formal contract text

3. Original Certificate of Legal Representative of the Contracting Party, and if the Legal Representative is authorized to sign the contract, the original Authorization Letter of the Legal Representative shall also be submitted.

4. If the contractor is from an out-of-local enterprise, the original and copies of the contractor's qualification certificate and the project manager's qualification certificate must be submitted.

5. For bidding projects, please submit copies of the bidding documents and the "Completion Certificate of Construction Project Bidding Process" or the "Notice of Award."

6. For non-bid projects, the original project budget document, signed by a registered cost engineer and sealed with their registered practice seal and the seal of the preparation unit, must be submitted. Additionally, a copy of the registered cost engineer's registration certificate is required.