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一 云南华坪花椒坪洗煤厂由华坪县政府和华坪林业局联营兴建,属华坪林业局的多种经营建设项目。1986年动工,1989年元月建成试产,同年10月正式投产。总投资447万元,设计年入洗原煤21万吨。投产当年便实现利润70多万元。至1993年前,每年盈利都在150万元左右。1993年,在不影响企业生产情况下,根据当时的市场行情和生产实际,企业又投资778万元对原来的生产工艺进行技改扩建:选用国内最先进的STK-10数控筛下式
One Huaping Huapingping coal washing plant in Huaping County, Huaping County Forestry Bureau and the joint venture to build, is a variety of Huaping Forestry Bureau construction projects. Started in 1986, completed trial production in January 1989, officially put into operation in October the same year. A total investment of 4.47 million yuan, designed to wash 210,000 tons of raw coal. Put into operation that year will achieve profits of more than 70 million. Until 1993, the annual profit is about 1.5 million yuan. In 1993, without affecting the production of the enterprise, according to the prevailing market conditions and the actual production, the company invested 778 million yuan to rebuild the original production technology: the most advanced STK-10 CNC sieve