化学成份：2202级si>99.5%fe≤0.2al≤0.2ca≤0.02P≤0.004%3303级si>99.3%fe≤0.3al≤0.3ca≤0.03P≤0.005%441级si>99.0%fe≤0.4al≤0.4ca≤0.1553级si>98.5%fe≤0.5al≤0.5ca≤0.3产地俄罗斯价格：金属硅553#10500元/吨金属硅441#10700元/吨金属硅3303#11200元/吨金属硅2202#11600元/吨订购电话;029-81763921或13669183098与林先生联系)