Yiwu is China's small commodity city, so there are many small businesses that can be processed.

Here are some suggestions:

1. Jewelry processing: There are many jewelry wholesale markets in Yiwu. You can buy various materials and process jewelry yourself, such as bracelets, earrings, necklaces, etc. You can open a store online to sell your own designed jewelry, or contact local small shops to sell them locally.

2. Clothing processing: There are many clothing factories in Yiwu, where you can hire workers to process clothing, such as T-shirts, shorts, dresses, etc. You can sell your processed clothes through e-commerce platforms such as Taobao and Pinduoduo.

3. Home furnishings processing: There are many home furnishings wholesale markets in Yiwu, such as pillows, quilt covers, sheets, etc. You can buy various materials, process home furnishings yourself, and then sell them online.

4. Plastic product processing: Yiwu's plastic product wholesale market is very developed. You can buy plastic materials and process products yourself, such as hangers, dishes, bottles, etc. You can wholesale these plastic products to local vendors, supermarkets, etc.

5. Paper product processing: Yiwu also has many paper product wholesale markets, such as paper towels, paper bags, gift boxes, etc. You can buy paper materials, process the products yourself, and then sell them to local shops, supermarkets, etc.