Gold Index: 40270
Hejian Huanyu Petroleum Machinery Co., Ltd. [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Cangzhou Province/State: Hebei Country/Region: China (Mainland)
437 517 617 627 737 537
1.Competitive Price(larger order, lower price)2.Perfect Quality Control System3.Excellent Sevice 4.Large Business scale
2013-07-06
17 1/2 437 517 617 627 737
2013-07-04
8 1/2
6 1/8 517 537
2013-06-27
437 517 617 627 737
1Certified by ISO9001&API 2Used for water well, oil field 3IADC:114-117,127,437,517,617,637 4.type:sealed non-sealed 5.delivery on time
2013-07-22
IADC 111- 433
1Certified by ISO9001&API 2Used for water well, oil field 3IADC:114-117,127,437,517,617,637 4.type:sealed bearing 5.delivery on time
2013-08-03
437 517 617 627 737 111-317
2013-08-02
metal seaed/ non sealed roller bearing bit
2013-12-27
2013-06-13
2013-08-01
111-321
all types you need
2013-07-19
3 1/2~ 18 1/2in/65mm-660
2013-07-31
all IADC code