投资2000万元的连云港市新浦磷矿四期工程近日建成投产。该工程自2002年4月开工建设,资金全部由连云港新磷矿化有限公司自筹解决。该项工程完成了井下-280m开始至-400m之间的开拓,共设计-320、-360和-400共3个生产中段,采用盲竖井开拓,设计年生产能力为15万t。该工程的竣工投产 Investment in 20 million yuan Lianyungang City Pu Xinpu four projects recently completed and put into production. The project started construction in April 2002, all funds from Lianyungang New Phosphate Minerals Co., Ltd. self-solve. The project has completed the opening up to -280m underground to -400m underground. A total of 3 mid-production sections of -320, -360 and -400 were designed. The blind shaft was used to develop and the designed annual production capacity was 150,000 tons. The completion of the project put into operation