We specialize in manufacturing synthetic sapphires & rubies , ceramics, and related assemblies. Our products are widely used in instrumetation, optics, medical science, aerospace, military and other fields.We persist in high quality, competitive price, excellent service and punctual delivery, which have established a good reputation in our customers. Our products are steadily exported to Europe, the United States, Japan and other developed countries.Our feature is having advanced technology and rich experience in design and application,which ensure us developing and customizing products to meet our customers' various......