punching part Material: aluminum or other alloy the metal parts machining service, including cutting, punching,bending punching part 1: Material: aluminum or other alloy profile 2. Sevice:cutting ,punching ,stamping ,bending...ect 3.Surface: Mill finish, powdercoated.anodized, electrophresis, sand blast... 4.And other service is also available, please send us your drawings and requirements.