The most used special cabinets are open top cabinets, frame cabinets and refrigerated containers

open top containerAlso known as open top container, open top cabinet, according to different sizes of 20OT and 40OT. The container does not have a rigid top, but has a roof made of canvas, plastic sheet or plasticated cloth supported by a collapsible top beam. The top is covered by a tarp during shipment. The watertight requirements are the same as those of dry cargo boxes, and the cargo can be loaded and unloaded from the top by a crane. Suitable for loading large objects with high volume and heavy objects to be lifted, such as glass plates. Open top container is used to load heavy cargo such as glass plate, steel products and machinery. It can be loaded and unloaded from the top by cranes. Open top container can be opened or has no fixed top surface. When the height of the goods exceeds the cabinet, special tarpaulins should be used to cover the goods to ensure their safety.

FLAT RACK CONTAINER，It is a container without top and side walls, 20FR and 40FR respectively according to different sizes. The two ends of the baffle can be folded down, which is also called flat board cabinet. The bottom plate of the frame box is relatively thick, up to 55cm, which is suitable for loading and unloading large and heavy goods from the top and sides. For half of the goods whose width is less than 4.5 meters and height is less than 4 meters, the ship owner can basically confirm the loading, which is suitable for heavy machinery, steel, etc. Since the frame cabinet is not a sealed box, if the goods need to be waterproof and moisture-proof, it is necessary to do waterproof packaging for the goods, so as to avoid the loss of the goods in the process of transportation

Reefer container,Also known as RF, mainly used for the transportation of frozen food, medicine, can maintain the temperature of the thermal insulation container, the international use of refrigerated containers are basically divided into two kinds, one is the inside of the container with a freezer called mechanical refrigerated container, another box without a freezer only heat insulation structure, that is, in the container with air inlet and air outlet, The boxes are kept in the hold and supplied with cool air by the ship's freezer, which is called a clutch freezer.