六月天综合网,丰满少妇内射一区,国产熟女白浆精品视频,久久男人

PRODUCT DISPLAY

Optical-fiber composite insulator

General

Optical-fiber composite insulator is the component of optical transformer, with high strength, light weight, strong impact and shock resistance,
strong antipollution performance, manual cleaning free, it is the ideal substitute for porcelain bushing shell, in addition, it is also used for the optical fiber
lead high-pressure area of optical-fiber composite grounding wire.

Main technical parameters