Optical products and optical polishing services have been offered by Valley Design for over 30 years. Valley's team of optical polishing experts have multitudes of years of experience. Operating two facilities on East and West Coasts, the company provides high quality optical products such as windows, wafers, substrates and flat optics and precision optical polishing services, specializing in ultra-thin (<25µm), ultra-flat (1/10 wave), superpolishing (<5 Angstroms), and tight tolerances (+0.5µm). Valley's total business system and manufacturing processes have complied to ISO regulations since 1997, and the company is now ISO 9001:2000 certified.