Which decoration company in Hefei is better, and how does Dawei decorate it?

Especially bad, don't choose this, the so-called designer, you will never appear after signing the contract, and everything behind is the responsibility of their so-called project manager. When signing the contract, the promised things were not fulfilled, and the agreement was not written. There are still omissions and additions, and finally the project manager asks you for money. Both the project manager and the company deny each other.