Changchun Sairuioptics Technology Co., Lt-Technical services, technical development,technical exchange, technology transfer,technology promotion,Manufacturing of optical instruments,manufacturing of optical glass,manufacturing of optoelectronic devices,sales of optical instruments sales of optical glas,sales of optoelectronic devices,manufacturing of special instruments,laser marking processing,sales of laboratory analytical instruments;, manufacturing of laboratory analytical instrument,glass manufacturing,processing of mechanical parts and components,sales of mechanical parts and components;,manufacturing of general components,manufacturing of electronic components,wholesale of electronic components,retail of electronic components