Milestones
2015
Shanghai SEC Technology Co., Ltd. established.
2016
Commissioned Plant A1 at No. 6000 Shenzhuan Highway, Songjiang,
Shanghai, launching mass production of wound cores using ultra-thin magnetic
steel strips (0.1mm/0.08mm/0.05mm), notably achieving batch
production of CD cores.
2017
Deployed China’s first high-speed slitting line, dedicated to “ultra-thin” high-performance magnetic steel strips, initiating magnetic strip slitting & distribution services.
2018
Launched stacked core series with
right-angle laminations for specialized reactors and high-speed
rail power supplies.
2019
Founded Power Electronics Division.
Constructed automotive sensor core workshop compliant with
IATF 16949, obtaining
LEM supplier certification to enter EV
components sector.
2020
Passed
ABB China’s supplier audit (industry’s
highest standard for transformers), expanding slitting
distribution operations.
2022
Established Power Transmission & Distribution Division. Commissioned Workshop A3 for energy-efficient transformer core manufacturing.
2023
Operationalized first self-developed 500cm high-speed cut-to-length line, achieving import substitution. Commenced
Hitachi (ABB) global core supply qualification audit.