The registration address of bosun cleaning technology ltd. In dong chong city is located at no. 75 of the shiang town road, dong chong city, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, liu wangping, and its operations include research and development, production and marketing: air filters, air purification equipment, clean materials, central air conditioning equipment; electrical and electrical engineering, cleaning and renovation work, installation and maintenance of the central air conditioning project; import and export of goods or technology (except for the import and export of goods and technology which are prohibited by the state or involve administrative approval). (projects subject to legal approval may not operate without the approval of the relevant department)