Sep. 2000 KDM was founded, aimed at the development of magnetic powder cores.

April 2001 Successfully developed the Iron Powder Cores and be awarded.

Aug. 2002 Passed the ISO9001:2000 international management system certification.

July 2004 Successfuly developed the Sendust Cores and be awarded.

Aug. 2004 Moved to the new plant which covers 25000㎡ and completed the program of annual output of Iron Powder Cores 100KK,          Sendust Cores 5KK.

Jan. 2007 Completed the annual output of Iron Powder Cores 200KK, Sendust Cores 10KK.

Sept. 2008 Passed the ISO14001:2004 environmental system certification.

Nov. 2008 Successfully developed Si-Fe Cores.

Mar. 2010 Moved our Powder Factory from Sichuan to Zhejiang and it covers 15000㎡, and established a 3000t/year production line of alloy powder.

July 2010 Changed the name from Huzhou KeDa Magnetoelectricity Co., Ltd to Zhejiang KeDa Magnetoelectricity Co., Ltd.

Nov. 2011 Successfully developed Nanodust Cores (KAM/KAH).

Nov. 2014 Changed the name from Zhejiang KeDa Magnetoelectricity Co., Ltd to Zhejiang NBTM KeDa Magnetoelectricity Co., Ltd.

Feb. 2022 KDM becomes a wholly owned subsidiary of NBTM group