Elementary billion letter Mines Limited was founded in 1998. professionals engaged in the production of non-metallic mineral products manufacturers. leading products have vermiculite ore, the expansion of vermiculite, vermiculite ultrafine powder; Mica scraps, mica powder; Tourmaline ore, electrical powder, tourmaline ceramic ball; sell stone ore, maifanite. Maifanshi ceramic ball series. 5,000 tons of annual output. meet the construction, chemical, paint and coatings, ceramics, electronics, glass, friction materials, agricultural flowers, food, health care, water treatment and many other industries. "honesty and trustworthiness customer first" 100 million letter of mining eternal pursuit! warm welcome domestic and foreign customers to call for more information, and common development!