... ,000,000pcs/month 4.Payment Terms: T/T Sub-mother Door hinge:1.High polished 2.Enough thickness and enough weight 3 ... .Material:SS201,202,304..Jiada Stainless steel ball bearing door hinge always show you good texture over the entire surface,its ... perfect combination of Chinese classical and mordern technology,supplying enjoyment for your vision of beauty. stainless steel hinge for door and window