The registered address of beijing sourcestone lighting technology ltd. Is located on the 1st floor of building 13, unit 2 of besheng zhenjien, changping district, beijing. The registration authority is the market supervision authority of changping district, beijing city, which is proud of its legal representatives and operates on technical services; technology development; economic information advice (without intermediary services); sale of lamps, chemical products, construction materials; subcontracting of labour, professional contracting; and domestic labour services. (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