• 

  HAKUYO DENKYU Co

• 

  KYUNG CHANG

• 

  KYUSHU HASEC

• 

  TOKYO SOKKI KENKYUSHO

• 

  Kyushu Hasekku Co., Ltd.

• 

  KYUNG BO ELECTRIC

• 

  Kyung-in Precision Machinery

• 

  TEITSU DENSHI KENKYUSHO CO.,LTD.

• 

  Tokyo Sokki Kenkyusyo

• 

  KEB TAMAKYU