SANY heavy industry co.,ltd. was wholly changed from SANY heavy industry group co.,ltd. SANY heavy industry group co.,ltd. was set up on 22nd Nov.1994. Its predecessor was Hunan lianyuan weld materials factory which founded by Liangwengen,Tangxiuguo,Maozhongwu and Yuanjinhua. In Sep 1991, Hunan lianyuan weld materials factory was renamed as Hunan SANY group co., ltd. In Nov 1994, Hunan SANY group co., ltd. held up a directorate, and eight directors attendance as following:Liangwengen,Tangxiuguo, Xiangwenbo,Maozhongwu,Yuanjinhua,Zhoufugui,Zhaidengke,Wangzuo-chun. The conference made a decision that Hunan SANY group co. ltd should be separated into two companies: Hunan SANY heavy industry group co., ltd. and Hunan SANY (GROUP) materials industry co., ltd.. It aslo confirmed the distribution of property right and handling project of creditor’s right and debt. Both of Hunan SANY heavy industry group co. ltd and Hunan SANY (GROUP) materials industry co., ltd. are close-knit enterprises provided with the corporate qualification and independently responded civil liability as well as the relative independence and equality of duty, right and benefit. In Jan 1995, Hunan SANY heavy industry group co., ltd. was renamed as SANY heavy industry group co., ltd. after been approved by the National Industry and Commercial Administration Management Bureau. In Dec 2000, SANY heavy industry group co. ltd. was wholly changed into SANY heavy industry co. ltd authorized by the No.  209 document of Hunan People’s government. On July 3,2003, Sany heavy industry listed in Shanghai stock exchange successfully, and the stock code is 600031. On July 30,2003, SANY Heavy Machinery Co.,Ltd came into existance,included grab division, piling appliance division, and new material division. On Jan 13,2004, SANY Heavy Furnishment Co.,Ltd came into existance,and SANY formally enter into the field of mining appliance manufacture. On Mar 1,2004, SANY Holding Co.,Ltd renamed SANY Group Co.,Ltd. On Jun 10,2005, SANY Heavy Industry succeeded in experimental unit of shares dispartment reform, to be the pioneer of the shares dispartment reform of China.