The company's independently developed Great Wall brand "Duobao" organic environmentally friendly antifreeze is a long-life, high-performance engine coolant. It has excellent performance that traditional inorganic engine coolants cannot match. This product has filled the gap in the domestic market and has been recognized by two patents from the State Intellectual Property Office. It has many excellent inherent qualities: First of all, this product adds more than ten high-quality organic additives and does not contain silicon, phosphorus, chlorine, molybdate, nitrite and amine salts that are harmful to the environment and human body, making it an environmentally friendly product . Secondly, this product not only has excellent anti-freeze performance, but also has super anti-boiling performance (the anti-boiling effect is achieved by effectively improving the heat dissipation efficiency of the cooling system), and is suitable for cooling various vehicles and equipment in different regions and seasons across the country. system. Third, this product can form a dense and stable chemical adsorption film on the metal surface, which has good anti-corrosion properties. It can effectively reduce crevice corrosion and cavitation damage to metal parts and extend the service life of the engine. Fourth, its storage stability is excellent, with a shelf life of up to 5 years. Great Wall brand all-organic and environmentally friendly engine coolant is blended using unique all-organic formula technology. This product has excellent storage stability, excellent corrosion resistance and thermal conductivity, which can extend the life of engine components.