specializes in producing electromagnetic counters, electronic counters, electronic timers, betatopic timers, time registers, and mechanic drive, continuous, stepping, pulling and pressing counters. With solid technical force, stable technique and complete testing equipment, its products have reliable quality and favorable prices and are widely used in petroleum, chemical industry, metallurgy, electric power, high-voltage electrical appliance, elevators, railway communicaiton, instruments, textile, machinery, mine, national defence, printing, light industry, agriculture, food, etc.