The cost consultation contract precedes the project quotation.
The project contract price is generally written into the contract according to the amount determined by the winning bidder after winning the bid, which is the project contract price; The project cost is based on the contract price of this project, plus or minus the design contact list, visa list, the supplement of labor and main materials, rewards and punishments agreed in the contract, etc. The calculated amount is the project cost.
The above project quotation is first of all a question of cost consultation contract, and I hope the answer will be helpful to you.