ChangChun JingYu Optics Technology Co. Ltd , locate in JiLin Province of China. Our Products: Process on many kinds glass crystal parts optics ,complicated lens and copy optics. Including : plane sphere ,prism ,optical filter with some color, film-plating process sapphire cylinder;crystal ...
Telephone:86-431-5198775
Address:HUOJU, ChangChun, JiLin, China