GLVAC is engaged in R&D, manufacturing and selling High Voltage Relays, Vacuum Capacitors, Vacuum Interrupters, DC and AC Contactors, Circuit Breakers, Hydrogen Thyratrons, Magnetrons, Spark Gaps and other vacuum electrical apparatus. These products are mainly used in mining, broadcast communication, new energy (include motor vehicle), metallurgy, power, medical, semiconductor, environmental protection, industry flaw detection, security inspection and other devices. GLVAC enjoys the highest domestic market.

GLVAC has obtained the certification of quality management system TS16949 and ISO14001, their quality gives their customers the assurance they need to relay on their products.