... 2,high drying intensity 3,raw material is heated uniformly 4,closed structure Principle of WorkRaw material is fed into the ... : all kinds of press tablet and granule, boric acid, borax, dihydroxybenzene, malic acid, maleic acid and so on.2,Foodstuff and construction material industries ... stable and no dead angle and phenomenon of broken out.4, It is good in regulation and wide in suitability. The ...