What state-owned construction groups are there in Beijing?
1 China National Nuclear Corporation \x0d\2 China Nuclear Industry Construction Corporation \x0d\3 China Aerospace Science and Technology Corporation \x0d\4 China Aerospace Science and Industry Corporation \x0d\5 aviation industry corporation of china I \x0d\6 aviation industry corporation of china II \x0d\7 China Shipbuilding Corporation \x0d\8 China Shipbuilding Industry. 9 China Ordnance Industry Corporation \x0d\ 10 China Ordnance Equipment Corporation \x0d\ 1 China Electronics Technology Corporation \x0d\ 12 China Petroleum and Natural Gas Corporation \x0d\ 13 China Petrochemical Group \x0d\65438. 15 State Grid Corporation \x0d\ 16 China Southern Power Grid Corporation \x0d\ 17 China Huaneng Group Corporation \x0d\ 18 China Datang Corporation \x0d\ 19 china huadian corporation \ x0d \. 22 China Three Gorges Project Development Corporation \x0d\23 Shenhua Group Co., Ltd. \x0d\24 China Telecom Group Company \x0d\25 China Network Communication Group Company \x0d\26 China United Communication Co., Ltd. \x0d\27 China Mobile Communication Group Company \x0d\28 China Electronics and Information Industry Group Company \x0d\29 China First Automobile X0d. 3 1 China No.1 Heavy Machinery Group Company \x0d\32 China No.2 Heavy Machinery Group Company \x0d\33 Harbin Power Station Equipment Group Company \x0d\34 China Dongfang Electric Group Company \x0d\35 Anshan Iron and Steel Group Company \x0d\36 Shanghai Baosteel Group Company \x0d\37 Wuhan Iron and Steel (Group). 4 1 China Aviation Group 47 China General Technology (Group) Holding Co., Ltd. \x0d\48 China State Construction Engineering Corporation \x0d\49 China Grain Reserve Management Corporation \x0d\50 National Development and Investment Corporation \x0d\5 1 China Merchants Group Co., Ltd. \x0d\52 China Resources (Group). 55 China High-tech Investment Group Company \x0d\56 China International Engineering Consulting Company \x0d\57 Zhonggu Grain and Oil Group Company \x0d\58 china national packaging corporation \x0d\59 China Import Automobile Trade Center \x0d\60 Shangzhong Enterprise Group Company \x0d\6 1 China Hua Fu Trade Development Group Company \x0d\ 65 Coal Research Institute \x0d\66 China Automobile Industry Corporation \x0d\67 China Machinery 72 Iron and Steel Research Institute \x0d\73 Metallurgical Automation Research and Design Institute \x0d\74 China National Chemical Corporation \x0d\75 China Chemical Engineering Corporation \x0d\76 China Chemical Supply and Marketing (Group) Corporation \x0d\77 China Chemical Industry. X0d 8 1 China Arts and Crafts (Group) Company \x0d\82 China National Salt Industry Corporation \x0d\83 Huacheng Investment Management Co., Ltd. \x0d\84 China Textile Materials (Group) Corporation \x0d\85 China Hengtian Group Corporation \x0d\86 China Textile Research Institute \x0d\ 89. 90 China Nonferrous Mining Construction Group Co., Ltd., Ltd. \x0d\9 1 Beijing Nonferrous Metals Research Institute \x0d\92 Beijing Mining and Metallurgy Research Institute \x0d\93 China International Technical and Intellectual Cooperation Company \x0d\94 China Far East International Trade Company \x0d\95 China International Enterprise Cooperation Company \96 China Economic and Technological Investment Guarantee Company \