1)Imported raw material and coating machine.  (Korea)

 2)Stable quality and solid color.

3)Can be kept for more than 2 years.

4)Refraction index N=1.56

5)Abbe value =40

 6)New designed products,slim and thin

 7)Thinner and lighter than CR-39 lens

 8)Supper-hard protection coating available

 9)Tintable to various fashionable colors