AIA Engineering Limited is engaged in the manufacturing of high chrome mill internals. The Company is engaged in manufacturing, designing, developing, installing, and servicing high chromium wear, corrosion, and abrasion-resistant castings. These products specifically serve the cement, mining, and thermal power-generating industries. The Company operating segment includes manufacturing of High Chrome Mill Internals (Castings) and all other activities are incidental thereto. It produces a range of high chrome mill internals, which are used as wear parts in the process of crushing/grinding in the cement, mining, utility, thermal power, and aggregate industries. It produces a range of high chrome mill internals, which are used as wear parts in the process of crushing/grinding in the cement, mining, utility, thermal power, and aggregate industries. Its services include mill audits, turnkey installation and commissioning projects, stock assessment and management, and performance monitoring.