Laiwu Steel Group Powder Metallurgy Company 6 # 7 # tunnel kiln gas renovation project at full capacity

 Laiwu Steel Group Powder Metallurgy Company. 6 # 7 # tunnel kiln gas renovation project started in July 20, 2011, The Laiwu Steel Group Powder Metallurgy Company 6 # 7 # tunnel kiln gas renovation project designed by our company at full capacity, this is the third gas improvement projects after No.2 tunnel kiln transformation success in 2007, the # 4 # 5 tunnel kiln transformation success in 2010.