To implement my company "quality first, customer supreme" principle, constantly improve the quality of our products, to provide users with advanced technology, safe and reliable, the appearance of fine products, to provide customer satisfaction of pre-sale, sale and after-sales service, to the "regard quality as life, treating customers as god" the quality policy into effect. Relying on the abundant technical force, perfect service system, to improve quality, continuous innovation, double bell sincerely welcome the general customers consultation order, all products in normal use one year warranty.