Established in 2019, SEI-Futong Submarine Power Cables Co., Ltd. (FSS), is located in the marine industry cluster area of Zhoushan Archipelago New District, Zhejiang. It is jointly funded by Futong Group, a top 500 Chinese enterprise and Sumitomo Electric Industrial, a top 500 company in the world. Futong Group occupies 51% of the shares, and Sumitomo Electric Industry occupies 49%.
The research and development direction of FSS is large-scale, long-distance marine cables and submarine optic/electric composite cables, mainly for the R&D, manufacturing and sales of a full range of products such as high-voltage and ultra-high voltage submarine power cables, submarine optical cables, submarine optic/electric composite cables, marine cables, umbilical cables, offshore drilling platform cables, offshore wind power generation cables, etc.
FSS is committed to building a world-class marine engineering cable industry base integrating design, production and construction.
Sumitomo Electric Industry has more than 100 years of experience in the design, production, construction, monitoring and emergency repair of Marine cables. Since 1919, FSS has provided nearly 10,000 kilometers of products and construction services around the world. Experience and technology accumulated in challenging and difficult construction projects around the world, from seabed exploration, design, installation to protection, can provide a full range of optimal solutions.
It is the first in the world in various voltage classes (500kV and below) with high reliability.
The world's first ±250kV submarine cable has been put into operation since 2012.
The world's first ±400kV DC-XLPE connecting UK-Belgium, NEMO 140 km submarine cable has been put into operation in 2019.
High water pressure water blocking technology, highly reliable FJ technology, the world's unique DC submarine cable technology with a working temperature of up to 90°C.
Owning two submarine cable production bases in Osaka Factory and Hitachi Port Factory to ensure short delivery time in case of emergency for customers.
Independently developed temperature monitoring system, burying machine, rock protection, etc.
The whole set of design, production and construction technology of accessory includes submarine cable repair joints, etc.