Production and marketing: Animal husbandry machinery and equipment; Wholesale, retail: Instrumentation, feed additives, electronic products, hardware products, household appliances, rubber products, plastic products, medical equipment; Pet food supplies; Animal husbandry engineering design services; Import and export of goods or technologies (except those prohibited by the state or involving the import and export of goods or technologies subject to administrative examination and approval) (Items subject to approval according to law can only be carried out with the approval of relevant departments) **