trenching bit We can supply all kinds of coal mining bits,sleeves and holders which have high strength ,high wear resistance and long life features.T
Qingdao, China
Road planing bit We can supply all kinds of coal mining bits,sleeves and holders which have high strength ,high wear resistance and long life feature
Qingdao, China
forged rectangular bar material: SCM415, SCM440 etc. Size: acc. to customer's requirement Length: 3-5.8m Guarantee: UT certificat
Qingdao, China