angle steel bracket 1) material:steel 2) finish:zinc plated 3) our own zinc plated factory 4) OEM service angle steel bracket1) providing OEM service and according to customers demand2) material: iron,steel,stainless steel,copper and so on3) surface treatment: zinc plating,nickel plating,chrome plating and powder coating4) especial for zinc plated,for having our own zinc plating factory