Baoding Yitong Photovoltaic Technology Co., Ltd. (hereinafter referred to as "Yitong Technology"), established in 2005, is a subsidiary of Yingli Group with a registered capital of 60 million yuan. It is a high-tech enterprise specializing in the research and development, design, production and sales of photovoltaic supporting products such as photovoltaic ribbon, Busbar and junction boxes. The annual production capacity is 6 GW, and the cumulative shipping volume exceeds 25 GW.