Technospark Industries India [P] Ltd. Offers Acid Proof Granite Tile Linings. Technospark Industries India [P] Ltd. Is an ISO 9001:2008 registered organization. The Acid Proof Granite Tile Linings play a vital role in Anticorrosion treatments of substrates such as concrete and Steel and has been widely used in various plants such as Process , DM Plant, Water and Effluent Treatment Plants in steel and other industries in the following areas;