Quality control is the basic but most important for the qualification of the steel products. We carry out in-production supervision and after-production inspection that ensure all the products are according to the technical specification.
Third-Party Inspection
New customers prefer third-party inspection. Through many years of cooperation, Great Wall Steel has established stable contact with world-famous inspection companies like BV SGS, etc. At this condition, We can guarantee all of our products are qualified as per the related technical standard.
