The emerging polysilicon industry in Chinais expanding rapidly at present,and its publiclydeclared designed capacity has reached160 000-190 000 t/a.Despite the global economiccrisis,the polysilicon expansion inChina has not cooled down at all.On De- The emerging polysilicon industry in Chinais rapidly rapidly at present, and its publiclydeclared designed capacity has reached160 000-190 000 t / a.Despite the global economic crisis, the polysilicon expansion in China has not cooled down at all. On De-