1)ammonia alum manufacturer 2)many specifications 3)good quality 4)competitive prices 5)timely delivery We are Manufacturer of aluminum ammonium sulfate,ammonium alum,tschermigite.1)many specifications2)good quality3)competitive prices4)timely delivery5)white powder or granule,6)used in chemicals,textiles, water treatment,,fertilizer,dying,pharmaceutical industries etc.,good quality aluminum ...