Factory of Optical Elements The Institute of Optics & Electronics Chinese Academy of Sciences, founded in 1981, is a stock enterprise which belongs to The Institute of Optics & Electronics Chinese Academy of Sciences. It’s located at Op...

R & D center was organized in 2002. The establishment purpose of this center is to meet the needs of...

The center has three parts: advanced optical manufacturing department, precision machinery manufactu...

The brand – HANNIA is famous magnifier brand in China. The magnifiers are used by jewelers, collect...