... could supply you with all kinds of silicon metal like 553, 441,421,411,4405,4105, 3303,2502, 2202, 1101 etc ... could supply you with all kinds of silicon metal like 553, 441,421,411,4405,4105, 3303,2502, 2202, 1101 etc ... packing forms are available upon customer's request. Silicon Metal 553