Gold Index: 978
Hejian RuiDa Petroleum Material Co.Ltd [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Cangzhou Province/State: Hebei Country/Region: China (Mainland)
high quality PDC core bit
Bit Size: 4 1/2"-- 171/2"(114mm--444.5mm)Blades: 3--9 BladesNozzles: according to your requirementPDC Cutter: 1913,1613,1313
2013-08-14
diamond PDC core bit
PDC core bit manufacture