Sapphire bearing /RING TYPE JEWEL Bearings

sapphire bearing /RING TYPE JEWEL Bearings Typical Applications: 1 Ohmmeter; 2 Voltmeter; 3 Measuring instruments; 4 Compasses; 5 Timer; 6 Relays; Other Indicators Technical Index: Surface roughness: Rz0.05~Rz0.8 Material: Sapphire,magnesium fluoride,germanium,silicon,quartz,optical glasses and ect. Produce according to specific requirements and drawings,and also can design products for customers; We are Sen Hishi Crystal S&T (Shenzhen) Co.Ltd is professional R & D sapphire (Al2O3), quartz, tungsten carbide and other hard and brittle materials. And we are a import and export trade of high-tech enterprises; have sapphire outstanding professional technical team and advanced processing equipment. We have this experience more than 20 years. And our technology team worked mainly military objects before. Our main products include: , Sapphire dome, large size sapphire windows, Hyper-Hemispherical Sapphire Dome Sapphire optical windows,sapphire substrates, Square and Rectangle Sapphire Windows, Sapphire Circular Windows etc. Sapphire lens, sapphire prism, sapphire / ruby ball, sapphire bars, sapphire laser rod; Our Main Material: Sapphire,magnesium fluoride,germanium,silicon,quartz,optical glasses and ect. Our customers most of them from Germany, Frances, Russian, Japan, USA and so on more than 20 countries.