Alibaba.com offers 10 polysilicon 9n products. About 70% of these are other metals & metal products, 20% are other solar energy related products, and 10% are solar cells, solar panel. A wide variety of polysilicon 9n options are available to you, There are 8 polysilicon 9n suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Poland, and United States, which supply 75%, 12%, and 12% of polysilicon 9n respectively. Polysilicon 9n products are most popular in Southeast Asia, Africa, and Eastern Asia. You can ensure product safety by selecting from certified suppliers, including 5 with Other certification.