Gas Underlay Annealing Furnace (GUAF) – It is high precision and final heat treatment line on copper strip, including tension control unit, degreasing unit, heat treatment without tension unit, acid cleaning unit, surface polishing and surface passivating unit.
We got agreement with Otto-Junker on GUAF units local manufacturing, installation, run off and service in 2005 regarding tension control unit, degreasing unit, acid cleaning unit, surface polishing and surface passivating unit.
In recent years, with the high precision copper strip market growing, also because of violent competition, leading copper manufacturers, like ZiJin Copper, Chinalco LuoYang Copper, Chinalco Dayai Copper, Chinalco Shanghai Copper, CNMC Albetter Albronze set up new GUAF lines, not only improve production capacity, but also improve their competitive power.