We are offering coal mining bits. Changzhou balance machinery co., ltd offers all kinds of underground mining and surface mining for trenching machine. Our trenching bits could install on vermeer, tesmec etc trenchers. we supply betek code or...
Alloy steel body, made by material astm4142 or 42crmo, heat treatment with 40-44hrc hardness, has high toughness and wearable character. Tip with above 50 hrc hardness is made from low press sintered, and suitable grade selected according to the...
We are offering coal mining bits. Shandong techgong geotechnical engineering equipment co. Ltd is a key national manufacturing enterprise of shield cutters and tbm cutters foundation drilling tools and mining tools. Founded in 2000 the company now...
Huasheng Road, Science&Technology Park, Beichen District, China
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