This standard specifies the product classification, technical requirements, test methods, inspection rules and markings, transportation, storage, etc. of combined plastic wood flat pallets. Defines the term for modular plastic wood flat pallet components. This standard applies to polyolefin plastics (PP, HDPE, LDPE) and plant fibers (sawdust, chaff powder) as the main raw materials, processed into molded materials, and combined with screws and other fasteners, which can be two-way or four-way. Fork-forward, single-sided or double-sided plastic wood flat pallets (hereinafter referred to as pallets).