Alibaba.com offers 6 polysilicon 9n products. About 50% of these are other metals & metal products, 33% are other solar energy related products, and 16% are solar cells, solar panel. A wide variety of polysilicon 9n options are available to you, There are 4 polysilicon 9n suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Poland, and United States, which supply 50%, 25%, and 25% of polysilicon 9n respectively. Polysilicon 9n products are most popular in Southeast Asia, Africa, and Eastern Europe. You can ensure product safety by selecting from certified suppliers, including 1 with Other certification.