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Luoyang Tongyi Metal Material Development Co., Ltd.,
Luoyang Tongyi Metal Material Development Co., Ltd., located in Luoyang City known as ancient capital of 9 dynasties, integrates R&D, production, sale and service of new metal materials. . moer. Zhang Guocheng Chinese Academy of Engineering. Company consultants, Chinese Academy of Engineering. Materials of well-known experts in metallurgy, Beijing Nonferrous Metal Research Institute PhD supervisor, academic leaders of China Metallurgical one of rare earth materials, . moer.