Sichuan United Precision Optics Co., Ltd. was established in 2003 and is located in Mianyang city, Sichuan Province — China's science and technology city.The company specializes in the production and processing of precision optical products and the growth of sapphire crystal materials. Our product range includes large-size optoelectronic windows, infrared and laser windows, domes fairing, transparent armor, and ultra-thin laser substrates, etc., the material covers sapphire, quartz, optical glass and infrared materials like zinc sulfide,···