| Manufacture of optical lenses.Supply various spectacles lenses,such as CR-39 resin lenses index 1.499/1.56/1.61/1.67,index 1.523 white glass lens,hi-index 1.70 white and pink mineral lens,progressive lens,PBX/PGX 1.503 glass and 1.499/1.56 resin,round/flat/blended top bifocal lenses (28mm/65mm & 70mm),semi-finished... |