1. The type of your stone quarry (granite/marble/ limestone/ travertine/ sandstone or else) 2. Main power of wire saw machine you required (Normally we suggest 37KW or 45KW wire saw machines for Marble quarry, and 45 or 55kw wire saw machines for granite quarry) 3. The rated voltage and electrical current of power supply 4. Special requirements (if any).ALWAYS AT YOUR SERVICE--KEENTOOL