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湘潭锰矿坚持质量第一方针,狠抓产品质量,连续两年来产品质量大幅度提高。1991年产品质量稳定提高率100％;产品质量抽查合格率100％;铁合金综合合格率99.82％,比1989年提高0.32％,比1990年提高0.44％;双采产品“双标率”85.04％,比计划提高5.04％,比1990年提高5.59％;优质产品“产值率"75.51％,比1990年提高8.5％;电解金属锰一级品率99.25％,比1990年提高5.83％;电解
Xiangtan manganese ore adhere to the principle of quality first, pay close attention to product quality, product quality for two consecutive years, a substantial increase. The rate of product quality improvement was 100% in 1991; the passing rate of product quality was 100%; the overall qualified rate of ferroalloy was 99.82%, 0.32% higher than that of 1989 and 0.44% higher than that of 1990; the double standard rate of double-product was 85.04% A rise of 5.04% over the plan and an increase of 5.59% over 1990. The output value of high-quality products reached 75.51%, up 8.5% over 1990; the first grade of electrolytic manganese reached 99.25%, up by 5.83% over 1990;