Ren min zhong ROAD NO. of 322 Guangzhou, Guangdong
We are one of the leading spectacle lenses manufacturers in China.We can support spherical lens,aspheric lens,progressive lens,photochromic lens Series n=1.499,n=1.56and n=1.60,including UNCOATED,HC,tinctable,EMI,UV400,and so on. ...
cr-39, lens, Optical