NM400 элэгдэлд тэсвэртэй ган хавтангийн гүйцэтгэлийн …
NNM400 wear-resistant steel plate is a hardness of 400HBW grade wear-resistant steel referred to, NM400 is widely used in construction machinery, уул уурхай, chemical and other industries, the following take Lianyuan steel NM400 wear-resistant steel plate as an example.. Brand: NM400, delivery state: tempering state (бөхөөх + …