DongGuan ECK ELectronics Co,ltd is a professional factory's production potential manufacturers to produce headphones to use rotary potentiometers, dial potentiometer, straight slide potentiometer, and other potential headphones and other potential spin and straight-slip Potentiometer. Have had many years of design professionals Potentiometer production. All potentiometers to use environmentally friendly materials production, in line with the ROHS environmental protection standard. Potentiometer the main raw materials imported from Taiwan and Japan, quality in line with international quality standards. Factories have their own design department, we have a professional production potential of the carbon-core film production workshop, designed to meet the various requirements of customers potentiometer .