AMSC's core electrical components include the company's proprietary PowerModule(TM) PM3000W power converter and enable reliable, high-performance wind turbine operation by controlling power flows, regulating voltage, monitoring system performance and controlling the pitch of wind turbine blades to maximize efficiency. At the end of calendar year 2008, China had an installed wind power capacity of approximately 12,000 MW (12 gigawatts). In its June 2009 report, industry research firm Emerging Energy Research projected that China's wind power installed base would exceed 200,000 MW (200 GW) by 2020. About Sinovel Wind Corporation Limited Sinovel Wind Co., Ltd. is one of the largest wind turbine manufacturers in the world and China's top wind turbine producer.