Development History
Since 2016, SUNSIN has focused on R&D and manufacturing of medium & high voltage three-level VFDs
2016
SUNSIN was founded and launched independent R&D of three-level medium and high voltage VFD core technologies.
2018
Built production base and launched high-performance three-level inverter series.SN3000 heavy-duty VFD and began volume manufacturing
2020
Overseas sales department established, products exported to Europe, Southeast Asia and Middle East.
2022
Released SN1140 mining VFD and SN4000 four-quadrant regenerative drive.
2024
Set up overseas warehouses and local after-sales centers in Europe and North America.
2026
Launched marine and explosion-proof VFDs to form a complete product system,customized VFD solutions for mining, marine and oil & gas industries.
Honor & Development
Continuous growth in production, research and qualification
Factory Expansion
We keep expanding production workshops and modern manufacturing lines to lift output capacity for medium & high voltage inverters.
R&D Team Growth
The electrical and software engineer team keeps expanding to develop customized VFD for mining, marine and oil & gas industries.
Certification Acquisition
We continuously obtain international safety certificates, explosion-proof approval and marine inspection qualifications for global market access.
We keep investing in technological innovation, continuously enrich product series, and provide reliable industrial drive solutions for global customers.