Our company, Xiamen K Metal Co., Ltd., have our own 4 factories of silicon metal and aluminium ingot in China, we can produce all kinds specification of silicon metal, especially high purity grade, such as 553 441 3303 2502 2202 1501 with low P, B, More importantly, more than 60000 tons of silicon metal have been outputted by our company every year, if any of the articles meet your interest and if you any further questions, please don't hesitate to contact us, we shall be only too glad to answer your inquiries and give you competitive price at any time