据美国地质学会调查报告,1998年第四季度美国碳化硅产量上升到1.74万ｔ,估计价值1040万美元。1998年11月,美国碳化硅进口量共计22.3万ｔ,价值7780万美元。而进口量的半数以上,即价值5400万美元的18.7万ｔ碳化硅都是从中国进口的。碳化硅市场 According to a report by the American Geological Society, the production of silicon carbide in the United States rose to 17,400 tons in the fourth quarter of 1998, with an estimated value of 10.4 million U.S. dollars. In November 1998, the U.S. silicon carbide imports totaled 223,000 t, worth 77.8 million U.S. dollars. More than half of the imports, that is, $ 187 million of silicon carbide worth 54 million U.S. dollars, are imported from China. Silicon carbide market