... 1.0mt each. ZHEJIANG ZHONGCHENG OWNS 7*12500KVA Silicon furnaces with an annual production capacity of 50, ... 421, 441, etc. Silicon metal is also called industrial silicon or crystalline silicon, metallic gray, hard and brittle. Silicon metal has attributes such ... resistance, high resistivity, and strong anti-oxidation. ApplicationManufacturing silicon aluminum alloy, ADC12, A356, and so on;Making ...