2002年以来,一直平稳发展的焦碳市场发生突变,表现是市场需求猛增,价格猛涨。而与此同时,由于焦碳生产出现低风险,高回报的预期,也引起了新一轮焦碳生产投资热,通过对焦碳生产大户,七台河市焦化业生产经营状况进行的一次专项调查,结合全省工业品出厂价 Since 2002, there has been a sudden change in the coke market that has been steadily developing. The performance is that the market demand soars and the price soars. At the same time, due to the low-risk and high-return expectation of coke production, it also caused a new round of investment in coke production. Through a special investigation into the production and operation of coking industry in Qitaihe City, a large coke producer, , Combined with ex-factory price of industrial products in the province