China Jiangsu Haian Huihong Photoelectric Instrument Factory is a large optical glass manufacturer, it is engaged in Optical Elements, is made with cold processing in East China area. It major supplies include colored and uncolored optical glass of all kinds wave band, optical elements, light and color filters, color filtering lens, Polarizer, Reflector, insultaing glass with cold photosource, neutral dimmer filter, quartz glass, long and short UV penetrating glass (wavelengths: 310nm, 254nm, 365nm), all kinds of specification optics spherical lens, special-purpose filter of distinguishes instruments for stumer, silicon photocell, selenium cell and so on.