Haining Aojin Solar Energy Industrial Co., Ltd. specializes in the production of all-glass vacuum tubes and solar water heaters. Our company, owning 7 fully automatic production lines of vacuum coating, makes full use of laser marking anti-counterfeit technology. Our annual yield reaches 9, 000, 000 pieces of tubes and 40, 000 sets of solar water heaters, including pressurized and non-pressurized solar water heaters. Our company is located in Haining City, Zhejiang Province. We are 120 kilometers away from Shanghai and 60 kilometers away from Hangzhou, with most convenient transportation. Our company covers an area of 5, 000 square meters. Up to now, we&＃039;ve formed a whole system of R&D and domestic and international marketing channels . We produce co-axial structure evacuated tubes with outer diameters of 47mm, 58mm and 70mm, and tube length ranges are available at 1200mm, 1500mm, 1600mm, 1700mm, 1800mm, 2100mm and 2200mm. Advanced higher-absorption selective coatings of AL-N/AL and SS-C/Cu & AL-N/AL are adopted for excellent heat collecting technology. These products are sold well both at home and abroad, including EU , USA , ASEAN , South America and the Middle East , and so on. Our company has attained ISO9001 systematic certificate and Chinese official compulsory certificate: CCC and CE by EU.WE advocate our managemental and enterprising spirits , which is based on the fine quality and excellent services, to make a bright future by inspiring creation and authentic sincerity. The excellent teams or groups , up-to-date equipments, highly effective management and great inspirations are the guarantee of our fine quality products and excellent services. To satisfy out customers continuously is our everlasting aim and pursuit. If you are interested in any kind of our solar products , please feel free to contact with us. Both domestic and overseas clients are welcomed, and we are looking forward to becoming your future golden supplier.