... marketing of silicon metal, silicon powder, and also engaged in polysilicon, magnesium ingot, petroleum coke and other products, which ... Province and Xinyu, Jiangxi Province, we also have offices in Xiamen, Beijing and Shanghai, so that we can offer most high ... , 3303, 411, 421, 441, etc, which are widely used in variety of industries, such as, aluminum alloy, organosilicone, polysilicon, electronics ...