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      The predecessor of AT&M Biomaterials Co., Ltd. (referred to as 'ATBIO') was established in 1988. The former Iron and Steel Research Institute of the Ministry of Metallurgy developed from the Physics (13 rooms). It was one of the first enterprises established by the former Iron and Steel Research Institute, and the first batch of key enterprises in the former Beijing High-tech  Enterprise  Pilot  Zone,  specializing in oral materials. R&D, production and operation, determined to become a domestic supplier of advanced oral materials and their products and an industrial  platform  for  medical materials. On November 11, 2011, the 'National Engineering Laboratory of Oral Digital Medical  Technology  and  Materials '  cobuilt  by  Peking University School of Stomatology and Antai Biological Company was grandly inaugurated. The National Engineering Laboratory is the first national engineering laboratory in the field of oral medicine. Starting from the actual needs of oral clinical medical treatment, it will adopt the latest scientific and engineering technology materials, and develop oral digital medical technology and advanced materials with independent intellectual property rights  with the goal of  'fine,  accurate,  efficient and automatic'. Build a multifunctional research and development platform integrating application research, engineering development,  clinical  verification,  standard  research,  talent  training,  international  exchange  and  technical service promotion of oral medical digital technology and materials.