Yes, there are several online platforms that connect buyers and sellers of materials. Here are a few examples:
Industry marketplaces: These platforms focus on specific industries, such as construction, manufacturing, or electronics. They allow businesses to buy and sell raw materials, parts, and finished goods.
Ecommerce marketplaces: Some general ecommerce marketplaces also have sections for industrial supplies. These can be a good option for finding a wider variety of materials.
Surplus materials marketplaces: These platforms specialize in connecting buyers with sellers of surplus materials, which can be a good way to find deals on unused materials.