... , 7075, 2) Film thick: 30-60um, 3) Hard: HRC60, 4) Packaging: Polybag+carton. Hard anodizing:Specialize in aluminum machining, forging, sand casting ... , die casting and stamping as well as anodizing and hard anodizing in Zhongshan city, Guangdong province, utilizing aluminium 2011, 2017 ... ,2) >100kg: sea freight priority,3) As per customized specifications. Hard anodizing