We undertake Cast iron crack repair by metal locking, metal stitching, and metal surgery process. The repair of cracks by metal lock and metal stitching is a successful method of repairing cracks in cast iron, aluminium and bronze alloy. The metal stitching method is a cold process as no heat is generated like in the welding process. We have the facility for offering on-site metal stitching and metal surgery services even while the vessel is on move.