Yu Dahong's service customers

Telecom broadcasting: Beijing Mobile (8 times), Guangxi Mobile, Shandong Mobile, Guangzhou Mobile, Hebei Mobile, Inner Mongolia Mobile, Henan Mobile, Zhuhai Mobile, Shaanxi Mobile, China Unicom Anhui Company, Beijing Unicom, Unicom Huasheng, Shaanxi Unicom, Shandong Unicom (5 times), Inner Mongolia Unicom, Henan Unicom, Fujian Unicom, China Netcom Group, Jilin Netcom, Shandong Netcom and Hebei Netcom. China Telecom (Northern Telecom), Shanghai Telecom, Shaanxi Telecom, Zhejiang Telecom, Fuzhou Telecom, Hebei Telecom, Xinjiang Telecom, ZTE, Huawei, Motorola Motorola (20 times), Samsung Mobile, ZTE (7 times), Huawei, Ai Shide, TCL Telephone, Visteon, Sunac Jingwei, Fiberhome Mobile Communication, Ruikangda and Shanghai Bell-Alcatel.

Financial insurance: China Industrial and Commercial Bank Beijing Branch (6 times), China Agricultural Bank Beijing Branch (7 times), China Agricultural Bank Henan Branch (3 times), China Merchants Bank, China CITIC Bank Shijiazhuang Branch, China Construction Bank, Bank of Beijing, Beijing Rural Commercial Bank (12 times), Nanchang Bank (3 times), China People's Insurance Company, Ping An Property Insurance Shanghai Company, USA.

Power and Petrochemical: State Grid (30 times), CNOOC (3 times), Sinochem Import and Export, Sinopec Mei Sen, Sinochem Fertilizer, Petrochemical Pacific Century Development, Far East Holding Cable, Tianjin Xinjusheng Electronics.

IT industry: Motorola (20 times), Lenovo Group (6 times), Digital China (7 times), Founder Group (5 times), 263.com, Tsinghua Tongfang, Canon, Samsung Samsung (8 times), Eastcom, Autodesk (3 times), Century Internet, Zhuo Wang Software, Tencent, Sijie and China Railway Construction.

Manufacturing electronics: Haier Group, South Korean Samsung (7 times), TCL Group (5 times), ABB, EnBlaco Compressor, Chint (4 times), Kudong Digital, Ai Shide (4 times), Haoyitong, Visteon, Tian Ge Textile, LMS, Rogland, Jinshan Electronics, Eilat Air Conditioning, Manitowoc Refrigeration, Tian Fei Science and Technology, Radio and Television.

Transportation: Changan Suzuki, Yutong Automobile, Beiqi Foton (3 times), Shanghai Volkswagen, Song Xin Robot, OSRAM Lighting, LMS, Guangdong Dong Jian Automobile, Shenhuamei, China Railway Construction, Sinotrans, Kerry Logistics (10 times), South China Ocean Shipping, Jishuo Technology and Shanghai Morgan.

Higher education: Peking University, Tsinghua MBA, Nanda EDP, Shanghai Jiaotong University Antai School of Management, Zhejiang University, University of Science and Technology Beijing, Times Guanghua, EDP Center of Zhongnan University of Economics and Law, New Oriental Online and Zhilian Kaiyuan.

Steel and building materials: Baosteel Group, POSCO Korea Posco, Hebei Iron and Steel Group, Shagang Group, Laigang, Shenhuamei, Angang Group, Rizhao Iron and Steel, Benxi Steel, Xiajin Cai Yi, Shengquan Group, An Cai Glass, China Resources Packaging, Kangdeli Paper, Nangang 352 1 Special Equipment, Xinhe Coatings, Shandong Chenming Paper, Huaxia Jianlong Mining.

Properties: Capital Airport Port Development, Jiangsu Xincheng Real Estate, Minmetals (Yingkou) Industrial Park, Dynasty Wooden Door, New Zhongyuan Ceramics, Jinyang Jiu Feng Electric Door.

Media publishing: Peking University Yanyuan Bookstore, Times Guanghua, Sales and Market (3 issues), Chinese and Foreign Management Magazine, FLTRP.

Medical Industry: Opening Color Doppler Health Online (Good Doctor)

Government departments: China Electronic Commerce Association China SME Competitiveness Enhancement Project, China Market Society, Bureau VERITAS International Inspection Group.