HONGCHEN 37 years factory with 2000 workers eyewear 1.56 photochromic green coating hmc optical eyeglasses lens US $6.90-$25.00
Semi-finished CR39 semi finished photochromic lenses SF 1.56 photogrey/brown progressive AR coating optical lens blanks US $0.49-$0.63
Distributor Wholesale Price Eyeglass Lens Optical 1.56 UV420 HMC Blue Cut Anti Blue Light Lenses US $0.50-$3.60