Beijing three sources science and technology ltd., with its registered address in room a319 of zhongtai no. 5 in phongtai district, beijing, with its registered body, the market supervision authority of the hongtai district of beijing, represented by wang liang, operates in the areas of technology development, technology transfer, technology promotion, technical services; software development; basic software services; application services; computer system services; product design; model design; software design; data processing; sales instrument forms, electronic metaware, computers, software and assistive equipment, communications equipment, type i medical devices, type i medical devices, mechanical equipment leasing; engineering and technical research and experimental development; agricultural scientific research and experimental development; import and export of goods, technology and imports. (the subject of the market may, in accordance with the law, freely choose to operate projects and carry out business activities; projects which are subject to legal approval and which are subject to the approval of the relevant sector; and activities in which the state and municipal industrial policy prohibits and restricts such projects