... Actual Units Produced(Previous Year) Voltage Regulator, Circuit Breaker, AC Contactor Voltage Regulator 50,000 Pieces / Month, Circuit Breaker 200,000 Pieces / ... Month, AC Contactor 30,000 Pieces / Month Voltage Regulator 550,000 Pieces, Circuit Breaker 1,200,000 Pieces, AC Contactor 200 ... Acceptable Endurance tester No information 1 3.0 Acceptable High-low temperature chamber SUNAN & GDW-100B 1 3.0 ...