top quality factory price 156x156mm 200um high quality High efficiency solar silicon wafers Manufacturer The production process is simple, cost-effective, and reduces silicon waste High conversion efficiency, low fragmentation rate and low optical attenuation Manufacturing Specialization, Intelligence and Greening Customized products to meet customer needs Name: High efficiency polysilicon wafer Technology : Diamond wire cutting Type : P type Resistance:1~3s minority carrier:>2 s Hem width:157.00~157.25mm Thickness:200±20m Transfer efficiency:>18.8%