Yes, FONNOV produces its custom aluminum extrusions by the existing national standards. We are aware and compliant with the strict regulatory environment of aviation, marine, and other industries. There are various manufacturing regulations in China including GB/T5237 and GB/T6892. Globally, there are crucial regulations such as the EN755 for the European Union and ASTM B221 in the United States. From the quality of billets to the type of extrusion press machines, our manufacturing process is up to standard. That’s why we can always guarantee the best custom aluminum extrusions in China.