Ultra photonics inc is a professional manufacturer of Glan polarization .We produce of mature precision processing technology, strict selection of domestic and foreign high-quality crystal materials for production of various specifications, the model includes : Glan Taylor Polarizers?grand laser Polarizers and so on. Our Glan polarization with high extinction ratio, high damage threshold, high transmission rate and other advantages, due to mass production and improve the cost control, our produce lower prices for customers to reduce purchase cost