Gold Index: 216
china geological equipment group co.,Ltd [China (Mainland)]
Business Type:Manufacturer City: Beijing Province/State: Beijing Country/Region: China (Mainland)
diamond core bit for wireline drilling mining driller
NQ HQ PQ
International standardQ series: AQ, BQ, NQ, HQ, PQ, BQ2,BQ3, NQ2, NQ3, HQ3, PQ3
2014-10-08