Beijing ekobert science and technology limited is registered at 18-d8285 construction road, leung street, leung street, beijing city house, and is registered as the beijing city housing mountain market supervision authority, with legal representatives from sindong, including technical development; technical advice; technology transfer; technology promotion; technical services; import and export of goods; export and import of technology; brokering import and export; sale of mechanical equipment and accessories, mechanical and electrical equipment, communications equipment, computer software and hardware and assistive equipment, teaching equipment, electrical equipment, electronics products, instrumentation, laboratory equipment, safety technology prevention products; product design, model design; installation, maintenance and electrical equipment; technical inspection; commissioning of processing instruments, mechanical equipment and accessories, mechanical and electrical equipment and accessories; economic information consultancy. (an enterprise shall, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project shall, in accordance with the law, operate its activities in accordance with the approved content, subject to the approval of the relevant sector; and it shall not engage in activities in which the industrial policy of the municipality prohibits or restricts the operation of projects of its kind