Shanghai Total Industrial Co., Ltd. is producing programmable timing switch, time switch, timer, weekly timer, counter, preset counter, speed controller, linespeed meter, regulation table, lubricate system controller, multi signal lamp, flash alarm, length meter, count speed measure meter, accumulative timer, hour meter, line speed meter, panel meter, digital tachometer, ampere meter, current meter, voltage meter, frequency meter, pushbutton switch, LED pushbutton switch, LED indicator, LED pilot lights, pushbutton control station, pilot lights, selector switch, emergency stop switch, key switch. Switching power supply, AC DC power supply, DIN rail power supply, DC power supply.