Superain Umbrella Inspection
How Superain factory to inspect the umbrella and control quality? Superain has strict quality control system from approval each material to finish umbrella. Usually, we applied AQL2.5//4.0 for inspection. Before production, a pre-production sample will be made for the salesman to approve. On each step production, we have strictly online QC inspection. After goods finally packed in cartons, our QC inspect goods at randomly the inspection report will be sent to customers. […]



