On November 14, 2007, the National Standard Sample for Spectral and Chemical Analysis of Cast Aluminum Alloys for Wheel Hubs developed by our company passed the identification and acceptance of the competent national authorities. The standard sample has determined the standard values of 20 elements, which can be used for the analysis of trace to constant components of related aluminium alloys, filling in the blank of this kind of standard sample and reaching the international advanced level.
