50PCS Shockproof White Foam Envelope Bag Selfsealing

A way of mail transportation
Mail transportation refers to the transportation that uses various means of transportation to transport the general package of mail to the destination through the specified postal routes. Mail includes letters, postcards, printed matter, parcels, etc. The postal department shall, according to different specific conditions, hand over the mail to the transportation department or prepare its own means of transportation for transportation. The mail transportation needs the legal protection of the country, and there should be a thorough shipping plan and flexible command and dispatching, so as to make comprehensive use of various transportation tools to make the mail operation closely linked.
Mail transportation is an important material means to realize postal communication. It has important political and economic significance for transmitting the policies and decrees of the Party and the state, for domestic and foreign economic and cultural exchanges and development, and for people's lives. Goods can be transported from one place to another by means of cargo transportation, so as to realize the transportation of economic links between departments, enterprises, regions, urban and rural areas, and even international. According to the mode of transportation, there are railway freight, road freight, waterway freight, civil aviation freight and pipeline transportation; According to the scope of transportation, there are domestic freight, international freight, etc; According to the transportation route, there are trunk line transportation and branch line transportation; According to the form of transportation organization, there are direct transportation, transit transportation and combined transportation; According to the form and nature of goods, there are dry goods transportation, goods transportation, perishable goods transportation, fresh goods transportation, dangerous goods transportation, etc. The safe, rapid, accurate and economic transportation of goods can ensure the smooth progress of social reproduction.
Bags for express industry packaging
Express bag refers to the bag used by express industry to transport documents, documents, materials, goods, etc. It is also called express bag, mailing bag and express packing bag.
The plastic express bag made of polyethylene is widely used, which is characterized by low cost, convenient use and good waterproof performance.
In addition to the customized express bags used by major express companies, there is also the online shopping industry. In order to give customers a good image, improve their image, and play a role in publicity, many businesses also customize their own special express bags.