Our company- Shanghai Puyuan Foreign Economic & Trading Company is a wholly state-owned company, a subsidiary of China National Nuclear Corporation (CNNC). We are a leading import and export company in China. We mainly export silicon metal to all parts of the world. We are now the largest silicon metal exporter in China and sell over 100,000 tons of silicon metals every year. We can offer you silicon metal 553, 441, 2202, 3303, 421, 411 and other grades. You can also refer to www.spfc.com.cn for more details.