GaPho Optoelectronics is a company approved by the national industrial and commercial authorities. For many years, the company has been focusing on the research and development, production of high-quality fiber optic passive devices, polarization maintaining devices, and high-power optical devices. Leading products include DTS ASE, high-power optical passive devices, polarization maintaining passive devices, optical path switches, WDM wavelength division series, couplers, ring-shaped devices, laser light sources, etc. Our products are sold to more than 20 countries and regions around the world, and are widely used in important fields such as fiber laser, fiber communication, aerospace, sensing and exploration, environmental monitoring, geological exploration, medical equipment, and university research institutions.