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