The first polysilicon production line, with an annual output of 1500 t, started operating in July 2008. Production capacity in 2009 was 3300 t and had reached 12,150 t in 2015. A further expansion project in Shihezi, Xinjiang Uyghur Autonomous Region, was completed at the end of 2016 and added 18,000 t of production capacity, operational at the ...