Usafe: Controllable atmosphere carburizing furnace is a leading product of our company. It uses special convection circulation system such as full corrugated ,guide tube and strong convection circulating fan to improve the heat exchange ability in furnace and the uniformity of furnace temperature and atmosphere.Application scope: Used for various heat treatment processes such as nitriding, carburizing,pre-oxidation,post-oxidation, oxynitriding, etc. of gear,shaft,mould, measuring tool,etc.