Dr. Lan's nano energy-saving restorer is a product with independent intellectual property rights of Nantong Zhongcheng Biotechnology Co., Ltd., which is committed to the research and development and application of deep maintenance products for automobiles. Dr. Lan's nano energy-saving repair agent is mainly composed of nano copper and copper alloy, detergent dispersant, antioxidant and viscosity regulator. It is suitable for trucks, passenger cars, railway locomotives and auxiliary equipment, ships and auxiliary equipment, and medium-sized engine groups with fuel tanks of12-18 liters, such as passenger cars and trucks.