タイトルまたは説明

Advantage: Our parts is much more wear-resistent, because the whole parts is quenching and tempering depthly, then, the surface is quenching second time, by doing the wear-resistance is more inforced, it is more life than common parts which is only one-time quenching. 

IHI CCH****2/*3/3D CCH**0 CCH***0 CCH***0E DCH**0 DCH**0 SUMIT SC**0 SC****2 SC****2 SC**0 SC****2 SC**0 SC***0 SC*****2 LS*8 LS**8HSS LS**8BSS LS**8RH5 LS****3 LS**8RH5 LS**8 LS**8 LS**8 LS**8 KOBELP&H**5 P&H**0 P&H****1 P&H****2 P&H***5 P&H***5 P&H***5 P&H***0 P&H***5 P&H***5 P&H***0 P&H***0 HITACHI KH**0 KH**5 KH****2/*3 KH****2 KH****2/3 KH****2 KH****2 KH****2 CX**0 CX**0 CX**0 CX**0 DEMAG CC***0 FUWA QUY *****0 ton XCMG QUY *****0 ton SANY SCC *****0 ton OTHER MODEL DH****1 DH**8 DH**0 DH**0 DH**8 DH**8 DH**0 CKE***0 CC***0 SCX***0