In accordance with the solar collectors absorb the sun 'light' air to water collector manufacturing principles, rational distribution of air to water product pricing, optimal design, in order to achieve maximum light and heat, together with the advantages of air auxiliary heating maximize the use of solar heat absorption, reducing its auxiliary energy (electric) heating energy needs air to water products, and are replaced by electric heating air to the energy, the actual use of the available space, sunlight absorbed light in accordance with design of solar thermal collector air to water sales, to avoid waste of resources, cost savings easy to install, simple to use: from environmental restrictions, no light, automatic operation of air to water products manufacturing, steel Yi air (certified), air to water products offered by Solar Co., Ltd. Qingdao Yi Gang Qingdao Yi Steel Solar Limited (www.gangyisolar.com) is Qingdao, a leader in solar and renewable energy, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Qingdao Yi Gang leader with the staff warmly welcome all inquiries negotiations to create Qingdao Yi Gang a better future.