Hangzhou Freqcontrol Electronic Technology LtdIs a leading Chinese supplier of piezoelectric quartz, products and single crystal optical products for use in the telecommunications and general time and frequency industries. We are able to supply a very broad range of single crystal products from as grown quartz to optical components on frequency control products. Our company is one of most important manufacturers in China to produce quartz blanks, such as AT-cut BT-cut Sc-cut IT-cut and FC-cut which are for making all crystals, special on AT blank & SC blank, the highest we can do the fundamental frequency 70M for AT blank, we can also process the plano-convex & Bi-convex blanks. For SC-cut, the processing technology is getting more and more mature, the Theta angle: + / -15 " and Phi angle: + / -3'. . After years of hard work, our quality and service is 100% qualified by many Customers. For more details for the products, you can visit our website as below: