We are Shanghai HuiFeng Optics Co.,Ltd in Shanghai, China. Our company specializes in processing high-quality optical components like prism,mirror, wedge prism,Beamsplitter,Filters,Polarizer,Paraboloidal mirror,windows,lens, plano-cylindrical lens, diffraction grating ,etc.  We can manufacture optical components with all kinds of optical glass or optical crystal material(calcium fluoride, silicon wafer). The quality conform to European Quality Standard. Also after long-term's hard work, we have found our own special polishing technology.     

Capacity:                                                                                                                        Windows: round pices-dimension from 4mm to 200mm                                                            square pieces-from 3x3 to 150x150mm; thickness-from 0.3mm to 20mm
Cylindrics mirrors: from 3mm to 150mm long; dimension from 2mm to 15mm                       Balls: dimensions from 3mm to 10mm.                                                                                       Flatness：1Newton ring within 1mm thickness1mm φ25, 6Newton ring within 50x50mm.
Surface quality：40/20。
Quantities——30000～100000pieces/month。