1. Tianyancha: This is an enterprise information data platform, you can easily find accurate information about your customers, your partners and even your competitors!

2. 1688: The largest procurement platform in China, the most cost-effective suppliers are here.

3. Kuailv: If you want to work in the catering industry, Kuailv is a high-quality platform for purchasing the freshest ingredients.

4. Enniu Data: Here is the financing or listing information of the largest companies in your industry, so you know where your biggest competitors are.

5. Business Cat: If you want to open a store or set up a stall to do catering business, you can learn the skills of opening a store here.