报载 ,江苏盐城市化工机械四厂 ,近年来由于市场原因 ,生产经营一直不太景气。去年 ,他们引进了南京航空航天大学开发的专利 :国家“八五”攻关计划项目———型内处理法暨消失模铸造技术 ,使企业在“2 1世纪的传统铸造技术革命”中 ,站到了国内领先的地位。该专利技术引进实施 According to the newspaper, No.4 Chemical Machinery Factory of Yancheng City in Jiangsu Province has not been prosperous in production and operation due to market reasons in recent years. Last year, they introduced the patent developed by Nanjing University of Aeronautics and Astronautics: the national “Eighth Five-Year Plan” tackling project --- type treatment and lost foam casting technology, so that enterprises in the “21st century, the traditional casting technology revolution”, the station To the leading position in China. The patented technology to introduce the implementation