The registered address of the city ritter radio protective equipment company ltd. Is located in room 207, new dynamic industrial park no. 5 in the yangtze road no. 16 street of chiang zhongtung, china city economic technology development zone, shandong province. The registration authority is the market supervision authority of the city economic technology development zone, represented by urina, which operates in the range of radio-protective equipment, radio-protective doors and windows, lead glass, lead plates, lead rubber coatings, protective paints (without dangerous chemicals), radiation-protective glass, sulphate sands, radiation shield winds, composite sheet sales installation; industrial surveying rooms, architectural decorations, engineering designs, construction; and the sale of sheeting, building materials and pipe metal materials. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities) i'm not sure