Material: in China, it refers to the means of production, sometimes all the material materials, and more to the means of production of industrial products. It is different from "material" in logistics, which contains a considerable part of the means of production which can not be physically displaced. This part does not belong to the field of logistics research, such as construction facilities, land, etc. In addition, various means of life belonging to logistics objects cannot be included in the concept of "materials" as means of production.

Recycling refers to the separation of useful substances from waste through physical or mechanical processing into recycled products.

Material recovery: the old and new means of production (material data) are recycled, and useful materials are separated from the new and old means of production for physical or mechanical processing to become reused products.

The recovery scope includes:

Office equipment: office furniture, office supplies, staff position, meeting table, boss's desk, filing cabinet, screen partition, various chairs, Internet cables, etc

Electronic equipment: computer and accessories, printer, copier, scanner, USP power supply, fax machine, notebook, etc

Household appliances: TV, refrigerator, air conditioner, washing machine, household furniture, various appliances, etc

Hotel equipment: various cooking ranges, kitchenware, dining room tables and chairs, blankets and carpets, various shelves, etc

Overstocking: waste steel, aluminum, stainless steel, overstocked materials, various doors and windows, various gauze, etc

Construction waste: demolition waste, waste construction materials, pipe fasteners, plumbing devices, door and window materials, waste metals, etc

Second hand equipment: office equipment, mechanical equipment, inventory equipment, system equipment, refrigeration equipment, various boilers, hotel equipment, dry cleaning equipment, cold storage equipment, second-hand waste cable, network cable, copper wire, aluminum wire, etc