It points out that developing key products and creating brand superiorities are the key point of new product development in Jinan Steel.
指出下一步济钢新产品开发工作的重点是培育重点产品，形成品牌效应。
The key point is that different products use inputs in very different proportions.
关键的一点是，不同的产品所使用的各种投入量在比例上有很大差别。
Due to small amount of Mn contained in the waste liquor, so, the key point of producing the qualified magnesium products from serpentine is the Mn removal.
由于废液中含有少量的锰，如何除去其中的锰，使制得的镁制品达到国家标准成为蛇纹石综合利用的关键。
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