①GYTA33产品说明:金属加强构件、松套层绞填充式、铝-聚乙烯粘接护套、单细圆钢丝铠装、聚乙烯外护层通信用室外光缆。Product description:Optical fiber cable made up of steel strength member

filling type in loose tube layer

aluminum and PE adhesion jacket

single and round steel wire armoured

PE outer jacket

which is used for outside communications.