Diamonti is located in Haian county, Nantong City-an economically developed area with great convenience of transportation which is close to Shanghai, and specialized in the optical glass, optical lenses and glass products research, development and production from 1996. We are the earliest company with rich technical force and experience, and in the leading level of the optical industry.Our products range are colored optical glass raw material and all kinds of optical glass of high quality such as colored optical glass, colorless optical glass; optical Lenses, such as Spherical lenses, Aspherical lenses, Cylindrical lenses, Ball lenses, Fresnel lenses. glass products, such as pint-sized tempered glass, glass panel.Our products mainly use in photographic equipment, instruments and meters, optical instruments, finance tools and so on, which specially serviced in the national defence, aviation, medical treatment and biology scientific research institutions and public security and so on. Products are mainly sold to America, Europe, Southeast Asia, Japan, South Korea, and HongKong, Macao and Taiwan regions, and have been deeply trusted by customers.