WE CAN SUPPLY MONO SILICON INGOTORIGIN : CHINA FROM DIRECT INGOT MANUFACTURER. ITEM : 6" DIAMETER, MONO ROUND INGOT AND SQUARE INGOT. TYPE : P - TYPE RESISTIVITY : 0. 5 OHM CM - 3. 0 OHM CM PURITY : 6N, 99. 9999% LIFETIME: > 10 usecQUANTITY : APPROX 3 TONS OF ROUND INGOT PER MONTH APPROX 3 TONS OF SQUARE INGOT PER MONTH IF INTERESTED TO BUY