SIRIM QAS International Sdn. Bhd. certifies that UniSon has implemented a Quality System complying with MS ISO 9001series Quality Management System. UniSon is committed towards achieving defect free performance by complying with all requirements for total customer satisfaction, providing quality products with efficiency and continuously improving our quality management system.

The warranty for Clean COLORBOND^® steel, ZINCALUME^® steel & PRIMAMAJU™ steel is backed by BlueScope Steel (Malaysia) Sdn Bhd.