How to choose a reliable vanity mirror supplier?

In China, the vanity mirror is a mixed supply market, what kind of suppliers are there, how can we find high-quality, suitable suppliers in many complicated supply markets, I think a reliable supplier needs Has the following three characteristics:

1. You can respond to customer emails in a timely manner. Any problems that arise during the order communication process are not shirked to the customer and help the customer solve the problem;

2. Can make design drafts for customers and provide samples for testing free of charge;

3. Regardless of large orders or small orders, every production process must help customers to strictly control the quality, and can not deliver the makeup mirror to the customer.