TDK
DMEGC
MAGNETICS
TDG
Acme Electronics
FERROXCUBE
Nanjing New Conda
Haining Lianfeng Magnet
JPMF
KaiYuan Magnetism
Samwha Electronics
Fenghua
Hitachi Metals
TOMITA ELECTRIC
JFE Ferrite Group
Suzhou Tianyuan Magnet