progressive lenses
Danyang Bosen Optical Co., Ltd [China] 
We are Danyang Bosen Optical Co., Ltd. (the former Danyang Chengchuang Optical Co., Ltd) which is located in Danyang, Jiangsu, China. We are manufacturing and exporting optical lens to many countries of Western Europe, North America, Mid-East Asia and South-East Asia. We have obtained the CE and FDA certificates.
We can supply you:
1. GLASS LENS (index 1.523, 1.70, 1.80, 1.90 uncoated & A/R, size 65/70 mm)
2. CR-39 LENS (index 1.499, 1.56, 1.61, 1.67, 1.74 uncoated, H/C, H/M/C, size: 65/70/72 mm)
3. BIFOCAL LENS
4. PROGRESSIVE LENS
5. POLYCARBONATE LENS
6. PHOTOCHROMIC LENS
7. LENTICULAR LENS
8. SOME SUN LENS & POLARIZED LENS
9. CONTACT LENS
The quality is of Grade A. Both finished and semi finished are available. Should any of the items be of your interest, please let me know.
