Maxon Optical & Electrical Technology Co.ltd is a Chinese optical products manufacturer, we can provide products as following: (1) glass aspherical lens:<br/>(2)spherical lens: Diameter-200mm<br/>(3)projector lens: F80-290mm<br/>(4) multiply coating: Wide-band increased transmisson layer, high reflection reflecting layer(reflection more than 90%), wave-band filter<br/>(5) prism<br/>(6)plastic lens<br/><br/>Also we have a agent for series of Precious Compoud Contact Metal of a large leading manufacturer of electrical alloy product <br/>If you want to know more details, please contact us.