• BAO LI Ind. Co. Is one of the biggest optical produsts manufactures in china. We can produce various kinds of minerallens (n=1. 523, n=1. 60, n=1. 7, n=1. 8, n=1. 9) and plastic lens (cr-39, n=1. 56) and tinted cr-39 lens. We also can produce various kinds of spectacle frames (regualr metal frames, monel, memory frames, titanium frames, plastic frames by injection, plastic frames by handing cut...