Yuzhou City Silver Star for abrasive Limited was founded in 1987, is China's Machine Tool Industry Association member units, the existing staff of 126 people, all kinds of professional and technical personnel 38 people. With an annual output of 30000 tons of dumping furnace corundum block, 8000 tons of high grade high temperature calcination, corundum, 2000 tons of high, medium temperature plating coat black silicon carbide abrasive corundum, 3000 tons, 5000 tons of kinescope glass shell for abrasive, corundum sand, 15000 tons of sand particle size, the common brown corundum powder production capacity of 15000 tons. Company under the four professional production company: Yuzhou City Silver Star for abrasive Limited, Guiyang Silver Star abrasive ( refining) Company Limited, Xuchang Silver Star Technology nanotechnology Limited, otherwise a and Japan RIKEN Corporation and other research and development joint venture company. In 2000 the company to achieve a comprehensive environmental emissions standards, Henan province is saving resource waste re-use, recycling economy in state grain reserve depots, in 2004 by the office of Henan Province commercial Abrasives Import, export rights, in 2005 through the ISO2001 : 9000 certification. Companies use of modern management system, strict product quality. Company products are mainly exported to Japan, South Korea, the United States, Austria, Brazil, South Africa and other countries. The company's philosophy is" to fine