Founded in 2004, Shen Zhen Joinwe technology Co., Ltd. is a professional manufacturer of energy saving devices and environmental protection products. Under the leading of Professor Hsu, the famous energy saving experts from Taiwan and won gold prize in Germany Nuremberg World Invention Show, ever since the establishment, we have been playing a key role in the power saving industry. We have patent for every product that we developed. Recognizing the importance of quality to our success, we've implemented a tight QC regimen in accordance with ISO 9001:2000-certified standards. These strengths ensure the quality, prompt delivery and competitive prices of our products.