The 52nd Research Institute of China Ordnance Industry Yantai Branch Co., Ltd., established on 1985-06-12, Business scope includes physical and chemical testing,Technical Services,New Material Science Research,Engineering process design,new product design,to develop,protective products,powder metallurgy,Production of ceramic products,processing,Sales,Technical Services,Machining.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)