90802443
Jun 29, 2021
Jul 12, 2022
HUNAN NEXT GENERATION INSTRUMENTAL T&C TECH. CO. LTD.
Active Trademark
Calibration devices for calibrating current and voltage; Circuit testers; Continuity test apparatus for electrical circuits; Current converters; Direct current converters; Electricity meters; Electronic devices for measuring electric current; Semiconductor testing apparatus; Voltage stabilizing power supply
Electrical and Scientific Apparatus