Zhejiang Gaodele New-Energy co.,ltd was established in 18th Nov.2000,which located in the beautiful scenic Nanbei lake,Haiyan,Zhejiang,covers an area of 51,000 square meters. We offer a wide variety of products, including: - Solar water heater - Vacuum tube Solar water heaters. Our mainly produces including:all-glass vacuum tubes,solar water heaters and other related solar thermal products.We have an independent R&D team and complete industrial chain,output reaches 300,000sets of solar water hea...