DinLin is an online classifieds platform for buying and selling spare parts and other items related to household and technical equipment. Its listings cover a broad range of categories, including large and small appliances, sewing machines, music equipment, home security, beauty, gaming, measuring devices, medical equipment, sports and hobbies, climate control, and digital technology. Users can browse advertisements from different cities or submit their own listings, with posts showing details such as price, condition, availability, brand, and product specifications where provided.

The platform also features repair services, including listings for appliance repairs such as refrigerator servicing. Examples on the site include computer storage, power tools offered for parts, sewing machines, refrigerator components, and washing machines. DinLin supports access through a mobile application and provides sections for messages and a blog, alongside information about terms of use, privacy, and customer feedback. By bringing product listings and repair offers together, DinLin gives people a dedicated place to find equipment-related parts, browse second-hand goods, and connect with local sellers or service providers.