perlite expansion process furnace design2022-08-24
china portable expansion perlite furnace for buliding. PERLITE EXPANSION VITRIFICATION FURNACE. KKQ Perlite Expansion Vitrification Furnace is invented by our factory director and senior engineer Kong Keqiang in February,2003, in the same year, He obtained patent for this kind of furnace, and it is the first one in the world to be put
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