We are looking for the monocrystalline and polycrystalline supplier, need a big and long term quantity , the specific of these material are : - size from 5 inch to 8 inch ( round,square,pseudosquare is ok) , wafer or ingot , photovoltaic cells or modules (150W to 200W) and silicon scraps. If you are convenient , please send me the catalogue and prize list , and also your company website . For further information please do not hestiate to contact me at : xxxxx