1.Souveni Coin 2.Material: copper,alloy 3.Process: die casting, gold plated, ... chart5.Plating: golded, nickel, anti-gold,mat gold, anti-nickel, silver, etc6.Attachment: butterfly clutch, rubber clutch, magnet, safty pin, tie ... , collection,recogniton for group, team, community10.Price: moderate and acceptableQuality: quality control department responsible for examine the badge quality11.sample time ...