We are one of the largest silicon manufactory in China, and handled the silicon metal for over 10 years. In our company, we have four silicon metal factories for various kinds of our products. such as 553# 441# 3303# 331# 2202# and 1101# with low P, B. More importantly , We also can supply polysilicon 4N, 5N. Now, we have established trade relations with many countries, especially with Japan, American, and our products have won a great reputation in the export worldwide. So I can assure you that our product is superb quality. As the manufacture we can offer you the lowest price. If you have any requirements on that, please don't hesitate to contact us , we are willing to answer your inquiries and give you competitive price at any time . Wu LiangMail:*****