The registration address of shandong hafang biotechnics ltd. Is located in room 3 of building 9 of the zhenya university innovation valley accelerator no. 2 of shandong province, with the registration authority being the zinan mayor's qing zhong district market supervision authority, with legal representatives operating on general items such as: sales of disinfectants (excluding hazardous chemicals); professional cleaning, cleaning and decontamination services; manufacture of specialized equipment (excluding licensed professional equipment); manufacture of technical services, technology development, technical advice, exchange, technology transfer, technology promotion; environmental protection advisory services; marketing of food detergents; sale of daily chemical products (excluding hazardous chemicals); manufacture of specialized chemical products (excluding hazardous chemicals); agricultural machinery services; manufacture of specialized machinery for agriculture, forestry and fisheries; management and rehabilitation services for soil pollution; development of mechanical equipment; production of agricultural surfaces and heavy metal pollution control technology services; water pollution management; internet marketing (in addition to goods for which permits are required); information advisory services (without licensing); specialized equipment for environmental protection; soil pollution control services; production of chemical products on a day basis; development of bio-based and fisheries products; promotion of new air (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)