Chai Hanfeng, born in 1963, is the chairman of Zhejiang Yaohua Construction Group Co., Ltd., a member of the Communist Party of China, a senior engineer and a national first-class construction engineer. Since engaged in construction engineering project management, hundreds of Chai Hanfeng presided over the construction of large industrial and civil construction projects, won the national "luban prize" and national "zhan tianyou prize" and national decorative gold prize, zhejiang province, "zhang", hangzhou XiHuBei, demonstrative project of science and technology ", "excellent decoration engineering for a number of high-quality engineering and a number of provincial and municipal safety production, civilized construction" double standardized "site. Once served as the deputy general manager and manager of the first branch of Zhejiang Yaojiang Construction Group Co., Ltd., he has invested and founded Zhejiang Yaohua Building Materials Co., Ltd., Zhejiang Yaohua Construction Component Technology Co., Ltd., Zhejiang Yaohua Planning and Architectural Design Co., Ltd., and other branches. In the real estate investment development and construction also made proud achievements, has set up hangzhou huanxi real estate development co., LTD., ma anshan west lake real estate development co., LTD. The company has invested and developed a number of real estate projects, such as Maanshan West Lake Garden, Maanshan AD Palace, Tianfeng Business Building, Yaohua Lake Pavilion, and Jinge Industrial Complex Building. Wood has always write all kinds of more than 10 papers: design chair of the research report of the deep research and application of a conveyor gravity retaining structure traits by national Ministry of Education of science and technology novelty search center certification, the result is listed as hangzhou science and technology development plan in 2000, was named step 逬 won third prize of science and technology of zhejiang province, hangzhou government scientific and technological progress second prize in 2001.