The registration address of shenzhen shenzhen shenzhen one science and technology development ltd. Is located at su hao no. 16b1 on the south-west side of shenzhen city, located in the southern side of shenzhen city, on the southern side of su hao no. 2098, and is registered with the shenzhen market supervision authority, representing liu bejing, and is generally operated on the following items: heating and wet precision air conditioners, ups uninterrupted power supply, battery storage, refrigeration, mechanical equipment engineering, installation and equipment sale, computer information network equipment, network energy integration, overall room design and technology development; air conditioning and ups maintenance and installation, repair of the upper door; air conditioning fittings, marketing of new wind exchange machines and technical development; and domestic trade, import and export operations. The licensed projects are: internet energy integration, integrated machinery, safety technology protection engineering。