LUO Zu-Chun, the Hubei Provincial Building Materials Industry Research and Design Institute, senior engineer. LUO has been engaged in stone mining From 1984 till now, he has penetrative research of stone mining characteristics of domestic and foreign, ancient and modern tools used in stone mining, all aspects of future developments of stone field. And with many years of effort, he has successfully developed a stress concentration controlled blasting mining methodmining stone. In October 1989, Mr. Luo Zuchun participate in the second session of the World Conference of Non-metallic minerals, in the General Assembly, LUO submit and read the English papers, as the world's first, access to the General Assembly acclaim. Mr. Luo Zuchun holds patent hole-notching tool(Patent No. 89, 101, 387.3), and specially developed gas expanders. The notching tool, gas expanders and associated splitting machine are combined together to make Joint action, to improve the stone mining industry, replace the original way of mining blasting in the past , make the stone mining to be the real mechanized mining, .Luo has made a great contribution to the the development of China's stone industry. Mr. Luo Zuchun wish that, domestic stone industry able to catch up with international trends, has rejected the United States, Japan and other developed countries who provide highly paid, insisted on staying in the motherland. to make great contributions to the under-developed stone industry. He sacrificed his life time and wealth to the stone industry, his life is still poor and simple. In the Stonemagazine, LUO published numerous articles. Mr. Luo Zuchun particularly welcomes the major national, in the stone mining enterprises. LUO concentrated in various small-scale stone enterprise for inviting him to visit the scene to guide operations. LUO Zu-Chun Stone mining station was established in November station can product mass notching tools customized according to customer demand