n accordance with the shape and size, can be divided into standard bricks, shaped bricks, a specific type brick shaped bricks, as well as laboratory and industrial use crucible, dish, tube and other special products.Manufacturing methods can be divided into slurry casting products, plastic molding products, semi-pressure products, by pouring molten material by the powder of non-plastic mud to tamping molding products, products and sawn by the rock products.
