Dalian KeNeng instrument and apparatus Co.,Ltd lie in zhongshan district of the center of Dalian, the factory covers an area of 5000 square meters, production is self- contained, have scale, strong manufacture that specializes in “energy-efficient electric heater of the nanometer(NDR)”. Company’s technical force is rich, have the specially develop the professional and technical personnel who studies electric heater, engage and return to the homeland to study abroad technical staff , domestic and international famous institutes , universities and colleges electric heater technologist, Our company and expert cooperate in succeeding in developing and producing " the energy-efficient electric heater of the nanometer (NDR ) " together, this product domestic initiation , world-class is the leading products of our factory. It is the update products of an electric heater, and the crystallization of the nanometer science and technology. 　　Nanometer (NDR ) energy-efficient electric heater " that company produce generate heat component " nanometer (NDR ) heat pipe " are developed and manufactured by our company oneself, is only few one of be able to product the nanometer(NDR) at home. 　　There are kind design of " energy-efficient electric heater of the nanometer (NDR ) " that our company produces variously: radiation type many kinds, convection type many kinds. radiation type is aluminium alloy combined (hanging, last foot, the desk-top and can move); convection is body art type of the case(hanging, stove type, the desk-top and can move); force the convection circulating type: hot-blast curtain 　　“Nanometer (NDR ) energy-efficient electric heater " and “Heat and manage the series of products in nanometer (NDR )” which our factory product and in charge of the technology, apply to the civil field now for the spaceflight application technology of the national defence originally, the energy-efficient electric heater of the nanometer (NDR ) which our company produces is one of them, the products adopting this technology to produce have economized a large amount of energy, protected the environment, impelling the fast development of national economy for the country. 　　Company's service aim: Based on science and technology , quality for the key, sincerity of stressing of quality, consumers first.