Doudian does not support applying for distribution directly to 1688, but you can search for 1688 suppliers in Doudian and contact them for distribution cooperation. The specific steps are as follows: 1. Search for the products or industries you want to cooperate with on the Doudian homepage, and filter for "1688 suppliers" 2. Find a suitable supplier, contact the supplier through internal chat or phone/WeChat, and understand its distribution policy 3. If both parties have agreed on distribution cooperation, you can sign an agreement with the supplier and start distribution It should be noted that before distribution, it is recommended that you fully understand and investigate the supplier to ensure that its product quality, after-sales service and other aspects can meet your requirements. At the same time, it is also necessary to clarify the distribution policy to avoid possible risks.