The registration address of the qingzhou company for materials technology, ltd., is at 638 no. No. No. No. No. Lilongshan street, yingdu street, qingzhou city, shandong province. The registration authority is the market supervision authority of qingzhou city and its legal representative is zhao su ling. The activities include the development and sale of: membrane sands, casting materials and assistive materials, and the sale of: metal materials (without precious metals), hardware, utility equipment, mechanical equipment and accessories. (projects subject to legal approval may not operate without the approval of the relevant department)