In order to strengthen work leadership and organizational deployment, the State Post Bureau set up the Ministry of Industry Ecology and Environmental Protection on 20 19 to formulate basic packaging requirements and other standards and strengthen publicity. Establish a credit restraint mechanism for the industry's ecological environment, carry out social supervision, regular notification and cross-regional supervision and inspection, and promote enterprises to implement the main responsibility. With the implementation of the "957 1" project, by the end of 20 19, the utilization rate of electronic waybills, the non-secondary packaging rate of e-commerce express mail, and the utilization rate of circulating transfer bags reached 98%, 75%, and 30,000 outlets were equipped with standard packaging waste recovery devices, and the packaging ratio of "slimming belt" reached 75%, an increase of 3/kloc.

Engineering refers to the process of transforming existing entities (natural or artificial) into artificial products with expected use value through an organized group of people and applying relevant scientific knowledge and technical means according to a set of envisaged goals.