JB/T 6924-1998 "Method for Compiling Drying Equipment Product Models". This standard specifies the structural type, basic parameters, technical requirements, test methods, inspection rules and packaging, transportation, storage and other requirements of box-type hot air wood dryers. This standard applies to box-type hot-air wood dryers with biomass (wood scraps, etc.) as the main fuel. Box-type hot-air wood dryers with liquefied petroleum gas, coal, and fuel oil as fuel can also be implemented as a reference. This standard was first released in June 2001.