1. Our company was set up on 2003 with area of more than 7000 m2.2. We melt over 170 types of optical glass raw material and process the filter as well.3. Currently, we have around 90 Employees.4. We have two work-shops: 1st: Melting Work-shop for Melting over 170 types of glass Material 2nd: Cleaning room for Processing the optical Glass5. Our main products: We melt and process the glass listed as follows. * Colorful filter glass:* Infrared Filter:* UV Filter : UV (ZWB)* Heat protection Filters: KG SG4100* ND FilterWe also process the optical glass as follows. * B270(Schott), Quartz, Borofloat33 (Schott), H-K9L.