tricone tungsten carbide drill bits, tricone tungsten ...
3, Hebei factory IADC 547 G 444.5mm tci tricone bit detail pictures: Packaging & Shipping 4,Packing information : wooden box ,carton box or steel box for export , also as customer ordered . 5,Shipping information : 1) 1-30KG by international express (EMS ,DHL and so on ) 2) heavey than 45KG by air (by plane ) 3)last can by shipping ,by sea more cheaper but need more time .
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