The registration address of henan dong dong ying-hong science and technology ltd. Is located at the 14th floor of 9th floor of road no. 133 in the golden water district of zhengzhou city. The registration authority is the market supervision authority of the golden water district of zhengzhou city. The legal entity is represented by zheng young-jing. It operates on the basis of the development of mechanical equipment, technical services; the development of new energy technologies; the development of technology, technical services, technical advice of environmentally friendly equipment; the sale of: mechanical equipment and accessories, electrical appliances, daily department goods, solar products, street lights, steel, type i and ii medical devices; and the import and export of goods or technology。