... Description: 1 Our products mainly include vacuum gas-quenchin furnace, vacuum high-pressure gas-quenching furnace, vacuum carburizing furnace, and vacuum ... for alloy steel, alloy structure steel, die steel, high-speed steel, bearing steel,stretch alloy 3 and stainless ... Feature:quenching oil and gas quenching two functions, the application of a wide range of high universality; 8 New heating ...