The Transport Logistic China Forum had a grand opening on June 14 in the National Convention and Exhibition Center (Shanghai).

Plastic seals are generally printed with the customer name, such as a certain power, a certain water supply, and some printed LOGO, in addition to printed with the customer name or LOGO, the general will be printed on the serial number or code, serial number or code every A seal is not the same, it can be said to be unique, the purpose of doing so is to put an end to illegal elements to forge the seal.