Door hinge 1.Material:SPCC. 2.Process:stamping,welding. 3.Finish:electrophoresis. 4.14 years manufacturing experience. We are ... ,SPCC,SECC,SGCC,etcProcessing scope CNC punching,stamping,bending,riveting,welding,tapping,grindingetcFinishplating(Zinc,Nikel,Chrome,Tin,Ag),Painting,Powder coating ... me know at any time.Your inquiry is welcome. Shenzhen process door hinge