New hope Liuhe (Laiyang) Co , Ltd has also taken many measures to save energy and reduce the cost of the enterprise In the end, it gave up using high amount of natural gas to burn hot water and chose Huachun solar energy After using the system, 183 tons of hot water can be produced for the enterprise every day, saving 4000 yuan, saving up to 1 1 million yuan every year, which greatly reduces the cost of the enterprise, which is both economic and practical Environmental protection