Changchun Hongsheng Optoelectronics Co., LTD., we are a high-tech enterprise integrating development, production, sales and technical consulting services. The company has been committed to the integrated production of optical high-precision spherical mirror, prism, cylindrical lens, aspherical lens, window piece, complex curved mirror, infrared crystal and lens development and assembly, mature technology, stable quality and guaranteed delivery time. We have been in good faith based on the