http://www.ec21.com/ec-market/silicon grade 441 553.html http://joylee85.en.ec21.com/Silicon_Metal--2673713_2789567.htmlsilicon metal, especially high purity grade, such as 553# 441# 3303# 331# 2502# 2202# 1501# and 1101# with low P, C ,Zn20091217 http://jessica17.en.ec21.com/Silicon_Metal--3378196_3378197.htmlsilicon grades 553/441/3303/2202/2502, because we have our own four factories. Please take a look at what we have to o20091214 http://fannyjia.en.ec21.com/Silicon_Metal--3074421_3074488.html Anyang Longda Ferroalloy Co., Ltd. have manufactured and exported below grade silicon metal since 1989, we mainly trad20091210 http://lyq3337.en.ec21.com/Silicon_manganese_Ferro_Silicon--958390_958724.htmlSilicon-Metal. silicon metal: Specifications: grade: 553 Si : 98.5% min, Fe: 0.5% max, Al: 0.5% max , Ca20091101 http://musengroupme.en.ec21.com/Silicon_Metal--3682279_3705579.html We can supply silicon metal 3303 ��3305 ��2203 ��411 ��31��553 for long term Guaranteed quality 20090914 http://rosegrass.en.ec21.com/Silicon_Metal--3704712_3704784.html441 >99.0% 0.4 0.4 0.1 - Level 553 >98.5% 0.5 0.5 0.3 - Grade :1101# Main Content Si,>99.79% Impurities MAX. Cu 1-15 pp20090914 http://jsmaoyuan.en.ec21.com/Silicon_Metal--2664028_2906054.html441 >99.0% 0.4 0.4 0.1 - Level 553 >98.5% 0.5 0.5 0.3 - Grade :1101# Main Content Si,>99.79% Impurities MAX. Cu 1-15 pp20090707 http://alloyschemicals.en.ec21.com/Silicon_Metal--3472963_3473369.htmlGrade Chemicals Composition(%) Si% Fe% Al% Ca% 441# 99 0.40 0.40 0.10 553# 98.5 0.50 0.50 20090608 http://jason27.en.ec21.com/Silicon_Metal_2202--3400593_3400594.htmlsilicon metal, especially high purity grade, such as 553# 441# 3303# 2202# and 2502# with low P, C, Zn, Mn, Ti. More im20090318 http://cndsilicon.en.ec21.com/Silicon_Metal--3347443_3347444.htmllies in products of high purity, low iron, low phosphorus content silicon metal grades 2502, 2202, 3303. 441 and 553. 20090216 http://xuhao998.en.ec21.com/Silicon_Metal--2781888_2781904.html553. products exported to Japan, North America, Europe .et We can supply other grades silicon metal and powder, if you20090105 http://xmxyjt.en.ec21.com/Silicon_Metal--1982749_1982750.htmlgrades of silicon metal, especially in 441# and 553#, 3303# more than 1000mt each grade per month. grade 441 : &20081204 http://hayaya.en.ec21.com/Silicon_Metal--2761028_2761029.htmlsilicon metal, especially high purity grade, such as 553# 441# 3303# 2202# and 2502# with low P, C, Zn, Mn, Ti. More im20080423 http://ceci.en.ec21.com/Silicon_Metal_Powder--3353958_3353959.html441, 553 etc.), silicon metal powder (2mm~10 m). We principally produce the chemistry grade of silicon metal powder use20090219