Xiamen Kingfeels Energy Technology Co., Ltd. is the main subsidiary of Fujian Shuangheng Group, who has 28 years history and the mother company of Kingfeels, it is one of the largest aluminum extrusion factory in Fujian province. We intergated all manufacture process in our own factory, that's why we guarrantee our product as 12 Years Warranty and 25 Years life time. Until now, we are the top 3 solar mounting system company in Xiamen city, the accumulated installation capacity worldwide is 8GW+; product has sold to 100+ countries.