亚洲熟妇少妇任你躁在线观看,国产精品第9页,日本综合在线观看,最新国产初高中生精彩视频在线

Graphite Degassing Rotors
Materials for graphite degassing rotors must withstand extreme stresses, e.g. rapid temperature changes, high operating temperatures, contact with molten metal, highly corrosive flushing gas and alloy constituents.
Our degassing rotors are made of special graphite materials of high purity and anti-corrosion level. Gas injection systems made from our degassing rotors achieve very high degrees of purity and very long service time.