fu-long Rd.
silicon metal block & powdersapphire wafer & ingotAll IC grade scrapAll solar grade scrapmono ingot & wafermulti ingot & wafer
silicon metal,UMG-Si 6N,W,In,>,9n poly chunk,scrap silicom,ic grade scrap,solar grade scrap,mono & multi ingot,mono & multi wafer,carbon end
