Features: 1) No additional loss could be inspected after the spliced fiber had been hold in splice tray 2) The splice points of fiber are protected with heat-shrink sleeves 3) Metal strengthened core of cables can be electrically connected or disconnected 4) Perfect sealing property, high-intensity and high corrosion resistance 5) Optical cable closure is one of the indispensable equipment in the optical cable installation 6) Provides sealing and protection for the fiber joints, storages the preserved fiber, keeping them away from the effects of outside environmental factors