We follow and advocate the repair of marine engine components, heavy cast iron repair, and steel casting equipment solely by metal locking and metal stitching procedure as an experienced heavy engineering repair firm with over four decades of expertise. Because no heat is utilized or created, most instances do not require machining. For more information on metal stitching of engine block and cast iron crack repair, metal crack stitching, lock and stitch cast iron crack repair contact us at [email protected] or call us at +91-9582647131 or +919810012383