I'm the President of SJ international, we work directly with solar manufacturers in China & Taiwan. We sell various scrap silicon materials such as broken/scrap silicon wafers, tops & tails, ingots, pot scraps, granule and others. The following are the terms of requirements on silicon materials:

* Silicon purity >6N(99.9999%) or better
* P type -> Resistivity > 0.5ohm-cm
* N type -> Resistivity > 1.0ohm-cm
* IC/Semi grade materials are preferred

Feel free to contact me and we look forward to build a long term and stable business relationship with your company.