焦作市粉末冶金厂投资300万元的还原铁粉二期工程,近日建成。该厂生产的还原粉多年来深受用户青睐,长期供不应求。为扩大规模经营,形成规模效益,该厂在一期工程2500t的基础上,决定自行设计建造具有国内先进水平的二期工程——3000t铁粉隧道窑生产线。连设计带施工建成仅用120天,创下了国内同类工程建 Jiaozuo City PM 3 million yuan investment in the reduction of iron two phase, recently completed. The reduction powder produced by the plant over the years by users, long-term demand. To expand the scale of operation, the formation of economies of scale, the plant on the basis of a project 2500t, decided to design and build their own advanced level of the second phase project - 3000t iron powder kiln production line. Even with the design and construction completed only 120 days, setting a similar domestic construction