Yangzhou Huasheng Optical Instrument Factory is a production-oriented enterprise integrating optical design, production and sales.The main products are Plane Window,Optical Protective Window,Optical Prism,Optical Lens, Spherical Lens, Band Pass Filter, Long and Short Wave Pass Filter, Band Stop Filter, Optical Communication Filter, Laser Lens, etc. The product applies wavelength to cover ultraviolet, visible and infrared bands.