Simplex Castings Ltd. is ISO 9001:2008 Certified for its quality products and is registered with major Integrated Steel Plants, Power Plant Builders, Wind Mill Manufacturers etc. It is RDSO approved for Railway COCO Bogies, Casnub Bogies, Truck frames etc. Our Labs are approved by International Inspection Agencies like Lloyds, Bureau Verita, RITES etc. A few of illustrative certificates are: