High purity silicon Metal 1.Grade:553/441/3303/2202 2.Size: ... in 1 mt plastic bags with PE line Choose our Silicon Metal for:1.manufacturer price2.Quality to be garanteed3. ... IMport&Export Co.,Ltd ,has two factory,specilized in producing Silicon Metal for more than ten years.We can produce high ... purity of all grade Silicon Metal ,such as #553,#441,#421,#3303,#2202#,2502 ...