opgw hardware fittings  

https://www.huanengfitting.com/opgw-fittings.html

The OPGW Hardware Fittings are instrument used for surge protection of communication and transmission lines. It replaces the earlier PLCC (using waves as the transport medium) with an optical signal which is faster and distortion free.

Huaneng is a professional manufacturer of OPGW & ADSS cable prefabricated parts with many years of experience. With a factory area of 26,593 square meters, we can produce and transport about 1,000,000 PCS of prefabricated parts (OPGW & ADSS) per year. We have world class certificates such as ISO 9001:2015 certification and are trusted by several companies. More than 15 professional R&D engineers and timely technical support ensure to provide high quality and competitively priced solutions to make customers more profitable in this industry.