Precision casting is a kind of module using wax tree, then pour slurry, dewaxing, finally pouring molten steel, casting and slurry separation, rough machining, machine precision machining, polishing, quality inspection, warehousing technology of a new type of high efficient castings.This kind of precision casting casting fine style of finished product and finished products are of good quality, no pollution to the environment, the final casting and design little difference on the production of finished products, without processing or small processing can be used as a finished product to your customers, save labor, high efficiency, work fine.Sodium silicate precision casting is widely use in our country, has been widely used in many industries.Sodium silicate precision casting industry is in a year in the rapid trend of development.As an important tool, in the production of sodium silicate precision casting mold maintenance is very necessary.