HG series multi-function standard source and calibrator
MGY/DO30 Series Calibrator/Trimeter Calibrator
Three-phase/single-phase electric energy meter calibration device
Insulation resistance meter (megger) calibration device
High voltage/ground resistor (device/box)
AC and DC high current standard source/welding machine calibrator
Clamp ammeter calibration device
GZC series petrochemical measurement and control instruments
HGZW series dyeing, weaving and weft trimming machine
other products
DO30 series three-meter/multimeter calibrator
HG-10 type infrared edge detector
HG-11 electric edge suction device
HG-A type infrared photoelectric centering device
HG-B type infrared photoelectric edge alignment device
HGHW type infrared photoelectric edge suction controller
HGZW-III fully automatic computerized photoelectric weft trimming machine (narrow width)
HGZW-III fully automatic computerized photoelectric weft trimming machine