iaxing Diyi New Energy Co., Ltd(Zhejiang Qianjiangchao Luminous Energy Co., Ltd). was established in 1991, with the former name as Haining Xu&＃039;s Luminous Energy Co., Ltd. We started to apply this name in 2006. Through 15 years&＃039; development, we have about 300 employees and we are proud of having successfully entered Europe, Africa, South Korea, Australia and Southeast Asia with our unique advantages in stable quality and completely competitive prices. As a manufacturer owning ISO9001:2000 certification, we are specialized in various kinds of vacuum heat-collecting tubes and solar water heaters. We have own brands-"QianJiangChao" is our vacuum tube brand and "Diyi solar" is our solar water heater brand. We are the environmental protection and energy saving expert. We also can manufacture specified products in accordance with customers&＃039; designs or samples. Meanwhile, as a manufacturer, from the initial tube source to final finished products, we exactly control quality in every workshop in order to create the most perfect quality for customers. We also have a good after-sales service system and can gain the feedback in time. So we warmly welcome all your attention and sincerely hope to create a beautiful future together with you on mutual progress and benefits. All your supports will be highly appreciated.