DDK has been developing and manufacturing all types of pelletizing knife since 1995, especially for petrochemical industry.
The Bi–metal knives with DDK's own brazing technology, offer higher resistance to breakage without being detrimental to flexibility.

Bi-metal knife
Body material : 17-4PH (SUS630)
Blade material : NIKRO128 or NIKRO143
Performs clean cutting and higher toughness
With longer life time


Solid knife
Material : SUS440C or NIKRO 128/143 or Alloyed steel
Economic price

  • DDK CO., LTD.
    45, Haeryongsandan 1-ro, Haeryong-myeon, Suncheon-si, Jeollanam-do, 58023, Korea
    Tel : 82-2-3409-0553 Fax : 82-2-3409-0552 Email :
    For domestic calls : 061-727-0557