主营产品:Mainly produces: various types of optical switches, optical attenuators, optical protection, optical cable monitoring systems, optical power collectors and other communication equipment
主营产品:Communication engineering, communication equipment, door-to-door installation and sales of communication equipment; general machinery, electronic products, computers, electrical machinery, instrumentation, office machinery, Wujinjiaodian, plumbing equipment, lighting equipment, home appliances, computer network engineering, monitoring equipment, Installation of intelligent building equipment and sales of auxiliary equipment.
主营产品:Professional agency accounting, agency company registration, general taxpayer application, changes, capital verification, various approvals for limited liability companies