E FORU provides various optical products including laser crystal, NOL crystal, prisms, beam splitter, lenses and windows as you require at a competitive price. Optical products provided from E FORU meet the requirements of light transmittance, wavelength control, barrier properties, and insulation. In recent years, the development of optical technology in the fields of computers, DVDs, digital cameras, mobile phones, game consoles, and liquid crystals has been remarkable.