The registered address of shandong plai-ray protection engineering ltd. Is located at the shop no. 61-1 in the street area in front of the street office station of the city's ancient building in the city's chang province. The registration authority is concerned with the market supervision authority of the city's chang province. The legal entity is represented by the oxidant. It operates in the areas of radio-protective works, electromagnetic shielding works, purification works, environmental engineering, radioactive sewage treatment works, architectural decoration works, air-conditioning system works for rooms, construction of electrical installations, steel structural works, construction work; subcontracting of construction services; technical advice on medical works; lead boards, steel plates, decoupling materials (excluding dangerous chemicals), hardware, appliances, non-ferrous metals, electrical kits, testing instruments; environmental equipment, medical purification equipment, installation and distribution of air-conditioning equipment, water cooling systems; import and export operations for various goods and technologies (except for the state limited company operation or prohibition of imports and exports); technical services for the networking of materials; software development and general cargo. (projects subject to legal approval may not operate without the approval of the relevant department)