China heat treatment furnace Manufacturer

HARDUN series products include large gas carburizing furnaces, pit-type gas nitriding furnaces, forvacuum atmosphere furnaces, atmosphere bright annealing furnaces, continuous hardening furnaces, car-type furnaces, pit-type furnaces, tilting melting furnaces for aluminum alloy, oil-fired or gas-fired crucible melting furnaces, aluminum alloy ageing furnaces, aluminum alloy hardening furnaces, catalyst agent sintering furnaces, perlite expansion furnace, high-medium-low temperature ovens and laboratory furnaces and etc.