Beijing yulong-sein building materials ltd. Is registered at no. 2 of the zhonggian industrial district in tongzhou, beijing. The registration authority is the market supervision authority of tongzhou district, beijing. The legal entity is represented by tamang-min and operates on the basis of sales of building materials, general equipment, specialized equipment; import and export of goods, technology, storage services; rental of construction machinery; rental of commercial and office premises (not to operate as a physical market). (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