冶金部情报标准研究所和金属学会铸铁管委员会于1988年5月31至6月8日在济南市联合举办了“全国铸铁管及管件标准质量研讨班”。来自国内28个省市自治区135个单位230名代表参加。主要内容包括:国内外铸铁管及管件发展概况;自来水、煤气及建筑行业对铸铁 The Institute of Information Standards of the Ministry of Metallurgy and the Iron Pipe Committee of the Metal Society jointly organized the “National Seminar on Standard Quality of Cast Iron Pipes and Fittings” from May 31 to June 8, 1988 in Jinan. 230 representatives from 135 units in 28 provinces, municipalities and autonomous regions participated. The main contents include: Overview of the development of cast iron pipes and fittings at home and abroad; tap water, gas and construction industry for cast iron