现代中国
Mr. Zhang worked Sinopec Group, Lucent Technologies, ABB, Siemens, Qilu Petrochemical, Lunan Chemical Fertilizer Plant, China Construction Bank, Cody Group, Haier Pharmaceutical, General Group, Tsinghua Tong Fang, Shandong Airlines, Ningbo, Beijing, Shanghai, Yanzhou Coal Mine Bureau, Road & Bridge Group, Jiangsu Zhongtian Technology, Runhua Group, Jinan Post, Shandong Pharmaceutical Glass, Kunming Sunshine Technology, Weihai Guangtai, Sarkozy, medicine, Qingdao Huaren Pharmaceutical, Nanjing Traditional Chinese Medicine, God, food, Lingyun work Trade, Tung Tai Group, Huang Hailin paper, Jinan Shengquan Group, Qingqi Group, Tianhong Book Industry, Shandong Branch Exchange Electric, million-dimensional technology, Shandong Electric Power, Shandong Machinery Factory, Shandong Jingbo Group have provided numerous famous service.