Ping Ray Inc. (PRI) is the leading company of supplying electric heating cables. With the PTC materials developed by Industrial Technology Research Institute (ITRI-a national research organization of Taiwan) , our PTC materials have high coefficient to make PRI electric heating cables with much longer lifetime. Moreover, we are using the most advanced production and test equipment from the United States and Japan to develop and manufacture the conductive polymers, e-beam irradiation ...




Taiwan