回複：but the other party has

I now know your position, and I strongly suggest you forget it. It is too dificulty to start this unknown sub-sector. You might know that solar (PV) company LDK uses scraapped waffer which is much cheaper resources to grow waffer.

I worked for a semiconductor industry manufacture for years. But no direct experience for this kind raw silicon materials.

I had a friend to fund a company to generate gas from plastic bags, but after spent 10 million Yuan, failed.