Нержавеющая сталь 304 # дверных петель

Model: LG-A1A4325SS Finish: Satin brass, Antique brass, Antique copper, Satin brassPVD, Bright PVD, Fine gloss Material: Stainless steel 304# DOOR HINGE Size: 4*3*2.5-4BB Technical process: 1. The Yapei raw material uses the high quality zinc alloy material, has guaranteed the source quality stability. 2. Zinc bar after lathe precision sizing, cutting, drill hole, manufacture thread. 3. Through multi-channel polishing working procedures, makes the locks surface to be bright, if has any scratch and the slight defect must to be re-polished. 4. More than 20 multi-channel strict quality managed examination, only the perfect product can pass. 5. Plate after polishing, to enhance binding force. 6. 48 hour salt mist test, examines its high strength anti-corrosive, the wear resistant function. 7. Pass through several working procedures, finally carries on the product complete inspection, guarantees the Yapei products quality, if has flaw, refuses leaving the factory even to be discarded. 8. Only examines qualified, the quality perfect product to be able to enter the packing assembly process. 9. The Yapei perfect quality products transport to all over the world.