When choosing a new house decoration company in Lanzhou, Gansu, we can consider the following aspects:

1. Word of mouth and evaluation. To understand the reputation of decoration companies, you can get information by looking at online evaluations and feedback from owners.

2. qualifications and experience. It is the key to ensure the quality of service to ensure that the decoration company has relevant qualification certificates and rich experience.

3. service scope and price. Choose the service scope that matches your own decoration needs, and ensure the price is reasonable and transparent. You can ask the decoration company for a quotation list and contract terms.

4. Free room measurement and quotation service. This helps to better understand the decoration needs and fully communicate with the decoration company.

5. Strength in design, construction and after-sales service. Investigate the design team experience, construction team technology and after-sales service policy of the decoration company, such as the warranty period and whether to provide lifelong after-sales service.