Dongguan Koren Electrical Appliances Co., Ltd. was established in 2004. We design, develop and produce high quality mica heaters and is a professional and competitive manufacturer in the field. Koren has focused on the mica heating element research and production for many years. We have the advanced mica heating element laboratory and master the core technology in the field. Our company is a leading manufacturer of high quality mica heating elements and a main supplier for big ...