在被誉为我国有色金属之乡的三湘大地，“钻石”牌硬质合金以其优良品质吸引着国内30多个省市自治区的客户和世界60多个国家的商贾，工厂投产近40年，累计生产硬质合金68000吨，上缴给国家利税20多亿元；近3年国内市场占有率达41％，年平均出口创汇2850万美元；同类产品销量为? Known as the hometown of non-ferrous metals in our country, Sanxiang, “diamond” brand cemented carbide attracts customers in more than 30 provinces, autonomous regions and the merchants and factories in over 60 countries in the world for its good quality. The factory has been in operation for nearly 40 years , A total of 68,000 tons of hard alloy production, turned over to the country more than 20 billion yuan in profits and taxes; nearly 3 years the domestic market share of 41%, the average annual export volume of 28.5 million US dollars; sales of similar products?