We supply in various kinds of mineral lens, CR-39 lens, middle index and hi-index hard resin lens single vision, bifocal or progressive, in traditional spherical or new aspherical design. Our lenses fully meets the general world or Chinese standards like ISO8980-1-1996, GB10810-1996, QB2506-2001, and got CE certified or FDA registered. Our products have been exported to US, South American, Middle Eastern, South East Asian countries or regions.