what's the differrence between Hardox and China NM wear plate ?

what's the differrence between Hardox and China NM wear plate ?

• Hardox plate is sweeden steel grade ,hardox steel grade include hardox 400,hardox 450,hardox 500 ,hardox 550 ,hardox 600 ;

Hardox plate Thickness range :4mm-100mm

• NM wear plates is China steel grade ,NM wear plates steel grade include :NM360 ,NM400 ,NM450 ,NM500,NM550 ,NM600, NM650 .

NM wear plates Thickness range  :2mm-150mm

• Hardox VS China NM

China wear plates have wide steel grade range than hardox plate ,and its thickness range is more than hardox ,They have the same hardness and similar technical property ; And China NM plates have more advantage on the price ;