We use quality aluminum rod, to avoid fault caused by impurity. We carry out timing process to guarantee the standard hardness. We use premium outdoor powder for coating to ensure long life span. After extrusion, we inspect critical specifications to ensure the products fit perfectly with the accessories. After surface treatment, besides basic surface inspection, color difference, film thickness, adhesive force and so on will be check according to the standard.
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Customized high quality 5005 5052 6061 7075 T6 aluminium round bar aluminum bars 6061 aluminum flat bar steel sheets