chair leg -Shock resistant -Strong bearing resistance -Excellent load capacity -OEM ODM ... material: ADC12,ADC10,A380,A360,A356,A413,6063,6061,7075,Zamak 3#,Zamak 5# ZA-8#, SUS304,SUS301,SPEC,SGEPl OEM/ODM ... partsExtrusion partsStamping partsProduct design & PrototypeMachining & Surface finish treatment Office chair leg aluminum die casting