Shanthari Exports Pvt. Ltd. Manufactures Multi Colour Slate and Quartzite. Shanthari Exports Pvt. Ltd. Is an ISO 9001: 2008 certified company. Shanthari Exports Pvt. Ltd. Offers various types of granites, limestone, sandstones, slates and quartzites, mosaics, patterns, etc. The Multi Colour Slate and Quartzite are available in Natural & Gauged; Honed & Gauged; and Ungauged finishes. The Slate and Quartzite is widely used in Residential & Commercial purposes.