Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.
After many year development, industrial structure's adjustment, the region ground industry begins to take shape, the kleit precision work prospect favors.
" First, a layer of kaolin is applied to sheets of paper. Then, the paper is heated in a kiln for several days until it turns into ashes. Finally, what's left is kaolin. This is how the artwork was made, " explained Chen.