Top suppliers of OPGW optical fiber cables include General Cable, Southwire, Belden Inc. These companies are renowned for their engineering expertise, innovative product lines, and commitment to reliable, high-performance solutions in demanding transmission environments. Imagine. ZTT has become a professional company which has the biggest OPGW output and has satisfied different customers' requirements with quickest delivery time. ZTT OPGW is mainly divided into: central-type stainless steel tube OPGW, stranded-type stainless steel tube OPGW, al-covered stainless steel tube. Hongzhi is a professional manufacturer focusing on producing pretwisted optical cable fittings, joint box, tension/suspension set for OPGW, ADSS, FTTH. Fiber optic ground wire (OPGW) is a fiber optic placed in the ground of overhead high voltage transmission line to form a fiber optic communication network on the transmission line, which is the most common type of overhead fiber optic cable with the dual functions of ground and communication. Guangdong province, particularly Shenzhen and Huizhou, hosts advanced facilities leveraging extensive electronics supply chains. Zhejiang's Ningbo region. OPGW is mainly applied in communication line of newly constructed high voltage transmit electricity system with 35 KV or above, or replacement of existing ground wire of previous overhead high voltage transmit electricity system, adding of communication lines and conduction of short-circuit current.