Fastec Heavy Duty Polished Brass Interior Door Hinge Detailed Product Description Metal Stamping Parts ISO 9001 Certified Your ... ,tempering,carburizing,nitriding,carbonitriding and so on. Surface Treatment:Include plating of Ni,Cr3+,Zn-Ni,Dacromet,No chrome dacromet,silver ... injection processing, the maximum capacity 5000g Fastec Heavy Duty Polished Brass Interior Door Hinge