Hello this is in regards of purchasing any silicon material you might have We are looking to buy Silicon Wafer, Ingot, Broken Wafer, Scrap Silicon Top & Tails, Silicon Wafer Scrap Granule, Pot Scrap, Poly Silicon Granule & Chunk, Broken Solar Cell, Dice Tape with Silicon die attached Material (Blue Tape) , P 0. 5 & N types1. 0, Purity>6N, we like to give you are best price if you have any info or pic please contact us.Or Call (847) 420 70199175 Gross Ponit Rd# 235 Skokie, IL 60077It is your pleasure to to do business togetherThis is the items we need to know1 Diameter2 Growth method CZ or FZ3 TYPE P or N4 dopant boant or phoshorus, or antimony or arsenic5 resistivity in ohm-cm6 surface condition7 thicknessIf you have any info or pic please contact us. email we to work with you Christopher hines9175 Gross Ponit Rd# 235 Skokie, IL 60077