Ningbo Dingshang Electrical Appliance Co., Ltd. is a hi-tech enterprise specially engaged in researching, developing, and producing series of environmental protection products like household water-purifying apparatus, drinking machines and water processing equipment. Our main product-"Haiheshi" far infrared mineralized water-purifying apparatus has won the gold prize in International New Technology and Product Expo of Asia and attained national technical patent. Our products can be used ...