OUR ADVANTAGE ? Real quenching process to ensure core hardness with at least HRC20 or up ? Surface hardness with HRC56-60 ?Medium frequency heat treatment instead of high-frequency to ensure the thickness of hardness more than 1.8mm ? Longer wear life ? Excellent surface plating, including hard Chrome plate can be chosen ? Material:40CR or 42CRMO

OUR ADVANTAGE ? Real quenching process to ensure core hardness with at least HRC20 or up ? Surface hardness with HRC56-60 ?Medium frequency heat treatment instead of high-frequency to ensure the thickness of hardness more than 1.8mm ? Longer wear life ? Excellent surface plating, including hard Chrome plate can be chosen ? Material:40CR or 42CRMO