Identification results:
"Vacuum degree tester" won the first prize of Henan Province Mechanical Science and Technology Progress Award, 2001;
"ZW11 outdoor vacuum circuit breaker" , "ZW6 outdoor vacuum circuit breaker", etc.;
Obtained national patent:
Utility model
"A measuring device for vacuum degree of vacuum interrupter "(ZL97241647.1),
"An outdoor vacuum switch" (ZL97241645.5),
"An outdoor vacuum switch for power transmission and distribution system" (ZL97241646.3),
"A new electromagnetic operating mechanism" (ZL99259089.2)
"An electronic high-voltage current transformer" ZL00265522.5
"A A capacitive voltage-dividing electric field probe" ZL01272070.4
Invention patent
"A light-controlled modular high-voltage vacuum switch" ZL01127930.3