1. packaging material supplier: packaging material supplier is one of the main sales channels of foam particles. They usually sell various types of filling packaging materials, including foam particles, online or in physical stores.

2. Logistics courier company: Logistics courier companies need a lot of filling materials to ensure the safety of goods during transportation, so they usually buy filling materials such as foam particles from packaging materials suppliers.

3. Factories and production enterprises: Some factories and production enterprises need to use foam particles to package and protect their products in the production process, so they usually buy them from packaging material suppliers or foam particle manufacturers.

4. Online shop or e-commerce platform: With the development of e-commerce, more and more consumers choose to buy various packaging materials, including foam particles, in online shops or e-commerce platforms.