How many kinds of packing are there?
According to the number of packages used: once packaged, repeatedly packaged and returnable packaging;5. according to the degree of hardness of the packing container: hard packing, semi hard packing and soft packing;6., according to product categories: food packaging, drug packaging, mechanical and electrical products, packaging devices, dangerous goods packaging;7., according to functional categories: transport, packaging, storage, packaging and sales, packaging and so on;
According to packaging products, materials are: paper products packaging, plastic packaging, metal packaging, bamboo and wooden packaging, glass container packaging and composite materials packaging;
1., according to the way of product management: domestic product packaging, export product packaging, special product packaging;2. according to the role of packaging in circulation process: there are single package, middle packing and outer packing;
According to the packaging technology, there are: shockproof packaging, moisture-proof packaging, anti rust packaging, anti mildew packaging, etc.;9., according to the packaging structure classification: body packing, blister packaging, heat shrinkable packaging, portable packaging, pallet packaging, combination packaging, etc..
