■材質(zhì)： 鋅合金--主體,鋼鐵鍍鎳--插銷 ■Matorial： Zinc Alloy--Hinge,nickel--plating steel pin?? ■表面處理：黑色涂裝、亞光鉻?■S.Tr：Black powder coating、chrome plated ■特徵：配置阻尼套件於插銷中,有恒定阻力可使門板固定於任意角度 ■Feature：The damping fittings are inside,invariable resistance torque control door angle