: from the Greek "graphein", meaning "to write." By the German chemist and mineralogist AG Werner named in 1789;
Chemical composition: pure ingredients are very few, often with a variety of impurities;
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: from the Greek "graphein", meaning "to write." By the German chemist and mineralogist AG Werner named in 1789;
Chemical composition: pure ingredients are very few, often with a variety of impurities;
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Beijing Sanye Carbon Co.,Ltd£¬which was founded in 1986, has insisted on conducting strict quality control and promoting a continuous progress of technology. We devoted great effort to developing new products and materials. And now we have become one of the top companies in the field of carbon and graphite precision machining.
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