This can be purchased from wholesale markets, e-commerce platforms and some franchise brands.

1. Wholesale market: Large fruit wholesale markets may provide durian wholesale services at relatively low prices. You can go to the local large fruit wholesale market to find supplies.

2. E-commerce platforms: Some e-commerce platforms such as Taobao and JD.com also provide durian wholesale services at relatively low prices. Purchases can be made through sellers on the platform.

3. Franchise brands: Some durian franchise brands provide wholesale services at relatively low prices. Can be purchased through franchise brands.