The difference lies in the different uses.
1. Container rq is a 40-foot high container, which can hold 68 cubic meters.
2. The container rh is a refrigerated container. The container is refrigerated, and the freezer must be set to a certain temperature and in operation. A container is a component tool that can load packaged or unpackaged goods for transportation, and facilitates loading, unloading and transportation with mechanical equipment.