Inner Mongolia Zhongzheng Verification Industry Co., Ltd. and No.208 Brigade of Nuclear Industry implement the management and operation mode of "one set of personnel, two brands" and are directly under China National Nuclear Corporation. China National Nuclear Corporation (CNNC) is a large state-owned enterprise directly supervised by the State Council State-owned Assets Supervision and Administration Commission, ranking 1 among 98 state-owned enterprises in the latest edition of the Directory of Central Enterprises!