Quality Assurance All our projects are monitored and certified by our consulting civil and structural engineer.All materials are sourced through quality assured and verified suppliers.Continuous quality testing is carried out throughout the construction phase to maintain the requisite standards.All materials delivered to Sazcon are certified to engineering specifications.Strict in-house quality control checks are carried out on each individual steel structure fabricated in our factory.All welding is carried out by certified and coded welders.