The registered address of pheittec (beijing) ltd. Is a912-156, located at 9 a, 3rd street, haiti district, beijing city, and is the market supervision authority of the haitian district of beijing, represented by a legal person, li sword, which operates in the areas of technology development, technology promotion, technical services, basic software services, application software services, sale of mechanical equipment, electronics products, computers, software and assistive equipment, communications equipment, instrumentation forms (not allowed to operate in physical shops). (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