Ningguo (Shanghai) Omunuo Electrothermal Electric CO., LTD. Department of Anhui Ningguo Tiancheng Electric CO., LTD., a wholly owned subsidiary, is specialized in r&d, design, production and sales all kinds of electric heaters, heating cable, carbon fiber heating cable, temperature controller, and other products, annual production of various kinds of electric heaters more than 20 million, are the pioneers of China's electric heater industry, home appliance electric heater industry leader.