Our company has our own 4 factories and 15 furnaces of silicon metal lump in China with output of 60, 000tons every year, 75% of our goods are exported in all of the world we can produce all kinds of specification of silicon metal, especially high purity grade, such as 553#', 441#, 3303#, 331#, 2502# and 2202# with low P, B. our company gained Certificate ISO 9001. 2000. All of the products are under SGS. CIQ, inspection.