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据《中磨协会会刊》报导,我国“七五”期间重点技术改造项目之一的金刚石合成设备于1990年底在第六砂轮厂建成投产,年综合产量为220公斤。高品级人造金刚石是一种高技术产品,目前国际上只有少数几个国家能生产。我国多年来一直靠进口。第六砂轮厂建成这条具有八十年代中期水平,大吨位两面顶合成高品级金刚
According to “China Mill Association Journal” reported that China’s “Seventh Five-Year” period of key technological transformation projects of diamond synthesis equipment at the end of 1990 in the sixth wheel plant put into operation, the annual output of 220 kg. High-grade synthetic diamond is a high-tech product, currently only a few countries in the world can produce. Our country has been relying on imports for many years. Sixth Wheel Factory built this level with the mid-eighties, large tonnage of two top synthetic high-grade diamond