LS Cable & System Ltd., alongside LS Marine Solution and giants like Microsoft and AWS, will build a 260 km Busan–Fukuoka submarine cable.
Jun 25, 2025
LS Cable & System Ltd. and its subsidiary LS Marine Solution will co-lead the Japan–Korea Submarine Communication Network Project (JAKO), part of the E2A cable system, laying roughly 260 km of optical fiber between Busan and Fukuoka from 2025 to 2027. The project, backed by Microsoft, AWS, Dreamline, and Arteria Networks, is valued at several hundred million dollars.
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At the Seoul signing, executives– AWS APAC’s Lee Han‑wook, Arteria’s Tatsuya Abe, Dreamline’s Han Yoon‑jae, Microsoft’s Stanley Lim, and LS’s Joo Wan‑seop, formalized the agreement. LS Cable & System will act as turnkey EPC contractor, while LS Marine Solution handles cable installation.
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This marks LS’s first full‑scope global submarine cable contract, underlining its ambition to spearhead Northeast Asia’s digital infrastructure build‑out. Joo emphasized their commitment to strengthen global partnerships and expand the submarine‑cable market.
