The registration address of the radiation protection engineering co. Ltd. Is located in room 424 of area c, 45th floor-4 of the aujin building and decoration city, aoiland, xianging street, shandong province, where the registration authority is the market supervision authority of yang jia county, representing a wide range of legal persons, and includes licensed projects: construction of human defence and protection equipment; construction of specialized works; sewage treatment and reuse; construction engineering design; sale of type ii and iii ray devices; sale of i-ray devices; quality inspection of construction works; construction works; installation of human defence and protection equipment; sale of human defence engineering equipment; and interior decorations. General projects (projects subject to legal approval, subject to the approval of the relevant authorities, for which the approval of the relevant department is the subject of documents or licences) are subject to authoriza...