Diameter of the cable is small with a low additional load to the pole and tower.

Design of stainless steel tube is reasonable and excess lengths of the fiber is correct.

Stainless steel tube protects the fiber with powerful tensile strength.

Optical unit of the stainless steel tube is the interlayer of the cable and it can resist twist and has good

lateral pressure performance.

With good safety performance and strong shooting resistance performance, not easy to be stolen.

Different armor combinations or meeting different combinations of electrical and mechanical property.

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