Ruishi Group was established in 1992, which is a diversified group company, business scope includes all kinds of abrasive materials, refractory materials, metallurgical accessories, precision casting and solar line cutting. Through more than 20 years steady development, it has growth to assemble investment, R&D, deep-process and smelting, sand making, network sales and international trade as the whole? Ruishi Group has its factory covers an area of 300 thousand square meters and 500 employees with an excellent team by the doctor, master and senior engineer. Ruishi Group has 6 wholly-owned subsidiary and its products are exported more than 20 countries and regions such as the United States, Russia, Japan and South Korea. RS Group is the only enterprise which has the capacity to produce new energy-saving, environmental protection composite corundum among the same industry, taking lead in passing ISO9001:2008 international quality management system certification and developing re