Classification of container seals ：

   (1) The person who put the seals can be divided into: factory sealed (factory seal, the export factories added); shut (closed by that customs seals, Customs added); vessel closure (shipping company seal, is the shipping company added); temporary closure of Wharf (Pier temporary seal, is the terminal added).
  (2) according to the material container seals and functions can be divided into: high security seal, digital security letters, bullet seal, iron seal, steel molding, plastic seal, security seals, and other common seal.

   2, when the plus terminal temporary seal：
   (1) discharge accidentally ruined when the seal on the cabinet door;
   (2) container devanning terminal after unloading, the consignee withdrawn when the first consignment.

   3, the operation program：
   Zhongshan (Feeder) - Yantian (mlther vessel) - overseas that Zhongshan, Yantian sub barge to the ship, the ship each container at Yantian, Zhongshan Customs and then to turn off, then the tunic on the barge before the following two approaches:
   (1) cabinet door seals increase the shipping companies that enable seal number declaration (customs without shut). The export factories make cabinets (that is, a good cabinet installation) is usually temporary plant closure should be added to prevent the plant from the pass to Zhongshan to Hong Kong during the cupboard goods stolen land. A few cases, if the shipping company's responsibility to start the export factory of DOOR (DOOR TO DOOR, DOOR TO CY), then the cabinet could do when the export factory sealed with shipping company.
   (2) The cabinet on the only barge company seal without customs seals installed on the ship before Yantian shipping companies also need to increase the seal. Barge in Zhongshan clearance M / F (Manifest ship orders, manifest), The Customs M / F Input PC (M / F have each cabinet Seal NO., The title of the cabinet filing), to when the local Yantian transferred out from the Customs Department of the cabinet line number are the same.