... cold furnace is mainly qpplied to the quenching applications for alloy steel, alloy structure steel, die steel, high-speed steel, bearing ... -speed steel and the mold steel,bearing steel,elastic alloy,stainless steel,and other materials Bright quenching oil, pressurized ... furnace is mainly qpplied to the quenching applications for alloy steel, alloy structure steel, die steel, high-speed steel, bearing ...