Door hinge 1.Material:SPCC. 2.Process:stamping,welding. 3.Finish: ... demands. Materialstainless steel,brass,copper,aluminum,SPCC,SECC,SGCC,etcProcessing scope CNC punching,stamping,bending,riveting,welding,tapping,grindingetcFinishplating(Zinc,Nikel ... know at any time.Your inquiry is welcome. Shenzhen process door hinge