shandong yanggu STE Tools co. ltd is the professional manufacturer and exporter of rock drilling tools, road planning bits,wxcavating coal cutter bits;comstruction utter bits and holders for road milling, tunneling , teenching and mining. they are mostly used for road milling machine rotary drill auger ,roadheader and rock drill .we also supply the mathed tungsten crbides products prodes products for other usage .
We have very strong technical and producing experences to make best quality tools .we are deceloping our business relationship with many famous rock tools and Tungsten Carbide companies in world we have approced IQNET AND CQM ISO9001:2000 Qulity Management System Certificate . we hace Import and Export Right also .
We assure that we will give you best best qulity products and service to meet your requests .