GB/T 43609.1 - 2023 for concrete and mortar preparatory equipment in construction. This part of the specification terms and commercial specifications, unify the definition of equipment-related professional vocabulary, and eliminate the ambiguity of communication. In terms of commercial specifications, clarify the model preparation rules of the equipment, the main parameters range, such as mixing capacity, production efficiency, etc. Provide clear standards for equipment manufacturers, sellers and construction units and other relevant parties, which will help product selection, transaction negotiation, promote the standardization of the concrete and mortar preparatory equipment market in construction, and improve the overall operation efficiency of the industry.