High quality granular activated carbons and the powdered activated carbons have been manufactured by Union Carbon Co.,Ltd. since the establishment in 1988. The above activated carbons are made from the coconut shell char, bituminous coal char and wood char. Our activated carbons are applied in the cigarette filter, ultra pure water treatment in electronic factory, waste water clean up, water treatment for drinking water supply, potable water purifier, power plant and air cleaning. Union Carbon ...