Taking AL、W（dashed of yellow/ black in above fig.）as basic design element, AL、W are symbols of chemical element of aluminum and tungsten which are the leading products of Alnan aluminum Co. Ltd.,, by abstract, assembled and sculpt,the sign is form a rocket that is ignition and launching and a running workshop which consist of workshop.

     In the sisn,the red roundness with ripple stand for rocket break forth,also stand for the smelter in the workshop,it means enterprise develop rapidly,enterprising,full ofenergy, solidarity, collaboration, push for all employee,it reflect fully the oneness of enterprise and the core status of leader.The ripple flow into the roundness from left to right,it explain the managing idea of collecting person of outstanding ability who from all corners of the land, becoming the pioneer of industry .

     The aiguille in sign figure like a man,it reflect enterprise lay store by personal,seek innovate,develop continuously, publish the enterprise＇s tactic visualize that aim is strong oneself , explain racily the quality control guideline of “brave in compete,seek survival, set up famousbrand”.

     The sign configuration preciseness, fluency, combine moving and whisht, combine strong and soft, implied meaning far-reaching.It consist of compages of solid & plane, letter &figure,possess industry character strong, visualize give voice to the spirit of“strive and colladboratewith our best ,advance despite difficulty and pioneer with self-sacrifice ”and tenet“five first”of Alnan aluminum Co. Ltd.,it bestir all employee progress toward bourn that is higher and stronger.

     The criterion colour in sign are red and blue.the red stand for ardour,riot,means enterprise full of spark, pullulate and grow continuously;the blue stand for environmention, maturity and life force, means enterprise toward world down-to-earth,keep livingness forever,develop solidily.