... First class quality 2012 U flat metal bracket :1process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc 2materialstainless steel, iron ( ... you like9CertificateISO9001-2008Key Specifications/Special Features:Materials: carbon steel or stainless steel Surface treatment: powder coating, painting and zinc- ... to visit our company. our products show: 2012 U flat metal bracket