CONCH is established in 1987 and with 26 years experiences, CONCH has become the most professional manufacturer in producing HMI (Human Machine Interface), PID Temperature Controller, SSR (Solid State Relay), SCR Power Regulator, Microprocess Control Panel Meter (Flow Meter, Load Cell, Voltage/Current Indicator, Tachometer, Line Speed Indicator), Photoelectric Sensor, Proximity Switch, Counter, Timer Length Sensor; and which is widely available in Auto Control Industrial, Rubber/Plastic Ind, Food Beverage, Packaging Printing markets.