Yingli: The 6th Largest PV Manufacturer
Yingli's manufacturing plant is in China, and they have two branch offices in the United States focusing on customer service and marketing. Yingli is looking into the possibility of moving it module manufacturing plants to the U.S.
As for warranties, Yingli guarantees that their PV panels will function at 80% efficiency after 25 years. And when it comes to corporate sustainability, Yingli offers recycle services for clients that decide they want to dispose of their solar panels. In addition, they have constructed industry parks around their manufacturing plants.
Currently, Yingli has a partnership with one distributor, DC power systems, and as demand rises for their panels in the U.S., the number of distributors will increase. Furthermore, Yingli is currently undertaking research with PANDA cells which is aimed at increasing the efficiency of their monocrystalline and polycrystalline cells.