This document specifies the terms and definitions, product classification and model naming, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, and transportation of membrane biological reaction integrated domestic sewage treatment equipment (hereinafter referred to as "integrated equipment") , storage and quality commitments. This document applies to integrated domestic sewage treatment equipment that combines biological reaction and membrane separation technology, with a daily treatment scale of less than or equal to 1 000 m3/d.