Gumha cloisonne takes great pride in our achievement as the best business since it was founded 1967 by Mr. Yi-Doo Kim. It has been inherited over three generations and we have able to expand business. Recently opened The Cloisonne Research Institute this ...

Lens manufacturer develop ceasless technologies and produce various lenses in the global market.we are leading company for optical contact safety frame Korea. 1.Optical : FINISHED AND SEMI-FINISHED CR39/1.56 SP ASP/1.60SP ASP 1.67ASP/1.74 Single ...