Chemical beneficiation of zinc ore

In recent years, mainly for the chemical processing of zinc oxide, zinc dust and zinc slag low-grade carried out a lot of research work, to be effective to solve the problem of leaching of zinc ferrite
Mercury mining method

Mercury has surface and underground mining in two ways. China is mainly underground mining. At present, it is mainly engaged in the mining of shallow deposits, and there are many projects that are jointly developed by Pingshuo, i.......

Lift high jet fire truck

China Automotive Net lifts high-ejection fire trucks in total. China Ministry of Industry and Information Technology lifts high-emission fire engine car announcements. All 1 Categories 12 Manufacturers 12 Lifting Fire Jets Brands 93 Lifting Fire Engines.......