Sichuan Guoke Optoelectronic Technology Factory was founded in 1981. And during 1999, the company completed the joint stock system transformation. The company located at Optoelectronic Industrial Park
R & D center was organized in 2002. The establishment purpose of this center is to meet the needs of enterprises’ continued and rapid development, imp
The center has three parts: advanced optical manufacturing department, precision machinery manufacturing department and lighting department. There are
The brand – HANNIA is famous magnifier brand in China. The magnifiers are used by jewelers, collectors, testing institution such as HRD, FGA, GIA, etc
