The registration address of jingyu sanitary and sanitation marketing limited is located at the street office of the tujo in the economic technology development zone of shandong province, located at 6-141 roadway, located along street 6-141, with the registration authority being the market supervision authority of the qin province's economic technology development zone, representing zhou weifeng, and covering general items: sale of specialized equipment for environmental protection; sale of automobiles; manufacture of plastics; sale of daily supplies; sale of groceries; professional cleaning, cleaning and disinfection services; sale of household waste disposal equipment; wholesale distribution of hardware products; retail distribution of hardware products; development of new materials technology; installation services for general machinery; sale of plastics; installation services for public sanitation facilities; and sale of the internet (except for the sale of goods subject to authorization). Licensing (in addition to legally approved projects, operating on an autonomous basis with a business licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)