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- Obtained China's first dual CCS certificates for variable frequency power module & battery management system reliability verification.
- Surpassed 70-vessel order milestone from international shipowners, marking SETH's accelerated global expansion.
- Awarded national "Little Giant" enterprise title.
- Received CCS type approval for first domestic marine PV inverter.
- Achieved over 500 ship references.
2023
- Completed second-round capital increase: China Chengtong Group's SOE Restructuring Fund (Phase II) became shareholder of SETH.
- Secured 28 overseas orders from Germany, Norway, France, etc., and making full-scale entry into the international ship market.
- The lithium iron phosphate battery packs and Battery Management System (BMS) have obtained type approval certificates from the China Classification Society.
- SETH's actual ship achievements exceed 300 vessels.
2022
- Delivered China's first 120-TEU battery-swapping container vessel ("Jiangyuan Baihe"), ushering in the electric era for cargo ships.
- Obtained China Classification Society's first EU mutual recognition type approval certificate for domestic frequency converters.
- Achieved a milestone of 200+ vessel installations for SETH's propulsion systems.
2021
- SETH successfully delivered its first export DC networking system for Terntank's 15,000 DWT chemical tanker.
- SETH has received a batch of shaft - generator series orders and officially entered the ship shaft - generator market with significant progress.
- SETH has achieved remarkable success in offshore wind sector, having supplied integrated power systems for over 20 offshore service vessels.
- SETH has accumulated 131 vessel applications for domestic frequency converters and DC networking systems.
2020
- SETH has established itself as a major force in the new energy ship market.
- SETH obtained its first overseas order for DC networking products, which has been used in the hybrid power system of the Swedish shipowner Terntank.
- SETH's domestic frequency converters and DC networking systems have been applied in a total of 87 vessels, with 52 contracts signed in total.
2019
- Delivered China's first DC-Link research vessel "Shen Kuo".
- Undertook the scientific research project of the battery-powered high-tech ship of the Ministry of Industry and Information Technology. Undertool the world's largest fully battery-powered ship project.
- The DC networking and domestic frequency converters deployed across 29 vessels with cumulative contracts exceeding RMB 100 million.
- The domestic frequency converter of SETH has obtained the type approvals from Bureau Veritas (BV) and Italian Register of Shipping (RINA).
2018
- Undertook China's first wind power operation and maintenance ship with DC networking.
- Undertook China's first inland river cruise ship with DC networking.
- The DC networking and domestic variable frequency technology have been applied to a total of 16 ships.
2017
- Product certification of China's first DC networking electric propulsion system and delivered to the shipyard.
- Undertook the electric propulsion projects of wind - power installation vessels and hybrid-power yachts.
2016
- Signed the first DC networking ship contract (Research vessel Shenkuo)
- Obtained the principle approval for DC networking (The first domestic manufacturer, only three globally)
- The domestic frequency converter of SETH obtained the type approval from the China Classification Society (CCS)
2015
- Introduced the DC networking technology of E-MS Company.
- Entered the field of marine electric propulsion.
