Nutech Jetting Equipments India Pvt. Ltd. Offers Heavy Duty Stone Grinding and Polishing Machine. Nutech Jetting Equipments India Pvt. Ltd. Is an ISO-9001:2000 certified company. It is a multi purpose machine suited for grinding and polishing marble, granite, sandstone, slate, concrete, etc. Speed of this Heavy Duty Stone Grinding and Polishing Machine is variable from 0 to 500 RPM with 9 speed settings. These cleaning equipments feature brushless motor for continuous duty applications. Nutech Jetting Equipments India Pvt. Ltd. Heavy Duty Stone Grinding and Polishing Machine is easy to transport, as it is available in a boot of a small vehicle.