600335 Ding Sheng Tiangong Tianjin Engineering Machinery Research Institute
600392 Taigong Tiancheng Taiyuan University of Technology
600980 Beikuang Magnetic Material Beijing Mining and Metallurgy Research Institute
000969 Antai Technology Steel Institute
600560 Jin Tian Zheng Metallurgical Automation Research and Design Institute
600390 Jin Rui Science and Technology Changsha Mining and Metallurgy Research Institute
0020 13 AVIC seiki avic lifesaving institute
600206 You Yan Gu Ming Beijing Nonferrous Metals Research Institute
600435 North Tianniao Beijing Huabei Optical Instrument Co., Ltd.
600 198 Datang Telecom Science and Technology Research Institute
600378 Tianke Stock China Haohua
00085 1 gaohong stock telecom technology research institute
600458 Times New Materials China CSR Zhuzhou Electric Locomotive Research Institute
600498 Huo Feng Communication Wuhan Post and Telecommunications Science Research Institute
600582 Tiandi technology coal science study institute
600 16 1 Tiantan Biology Beijing Institute of Biological Products
600990 Sichuan Electronic East China Institute of Electronic Engineering
002 140 Third Design Institute of Donghua Ministry of Science, Technology and Chemical Industry