We know material quality is so important to customers that we select excellent suppliers to ensure the quality of material. Our domestic suppliers are selected carefully. All imported aluminum materials are made by world-renowned enterprises such as ALCOA , ALCAN, and so on. Brand logo and production batch number are marked on the surface of material. We also provide certificate of origin and certificate of material quality corresponding to batch number issued by manufacturers.

We always keep nearly thousand of tons of inventory with various specifications to satisfy customer's need and normal production.