材料:锌合金铰链,碳钢销子。
表面处理:喷无光黑、镀亮铬和镀亚光,销子镀锌
结构说明:可开启角度180°
Material:zinc alloy hinge,steel shaft
Finish:Black coated or Bright chrome plated zinc plated shaft
Remark:180 degree rotation