1. Products subject to logistics restrictions: oversized products with a weight of more than 2kg and a size of more than 60cm are not recommended. Excessive and overweight products will increase transportation costs and reduce product profits. Dangerous and sensitive products, strong magnetic products, weapons, simulated weapons, bows and arrows, darts, arrows, money, toy guns, liquids, powders, knives, flammable, explosive, corrosive, toxic, radioactive, chemicals, medicines, etc. Many service providers are unwilling to accept such products. Plants, animals, living animals, potted plants, specimens, dried flowers and harmful printed matter and video communication products that violate national laws.
2. Infringed products: Infringement is a red line and everything that must be guarded against. To identify whether a product has a patent, you need to know one of the following three elements: patent name, patentee and patent number. The patent name query is the most convenient channel to determine whether a product has patent problems. You can also suggest asking more suppliers for verification, asking more suppliers for verification and asking more experienced sellers around you.