... for mill 3.Quality is guaranteed 4.Rock bottom price Hard Paste Porcelain JarsThe alumina ceramic mill pot produced by gongtao ... can be sealed and opened easily,tight seal,beautiful sculpt,hard and durable.Bad phenomena such as gap,leak,material stock ... rock bottom price for 65% al2o3 ceramic mill pot. Property:Hard,wear-resistant Purpose:Used in material crush,one part of ...