1, 10-100mm Silicon Metal 3303 for organosilicone 2, ISO: 9001:2008 3, Annual capacity: 50,000mt ZHEJIANG ZHONGCHENG. OWNS 7*12500KVA Silicon furnaces with ... Yingjiang, Yunnan province. Silicon Metal, also called Crystal Silicon, is silver-gray,hard-brittle material with high melting point, good heat resistance, high resistivity ...