... perfectly finished. ISO9001:2000 Best seller ball bearing door hinge Place of Origin Guangdong,China( ... Φ13×5"×3.5 Ball bearing 4BB Finish SS Max bearing 70kg/3pcs Usage Door Color picture ... of Best seller ball bearing door hinge Characteristics of Best seller ball bearing door hinge: 1, ... door locks, mortise door locks, security door locks, sliding door locks, gate locks, room door locks, cupboard ...