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)
IADC 437- 637
API IADC447 Tricone Roller Cone Drill Bits1.Certified by ISO9001&API 2Used for water well, oil field 3IADC:437--637
2013-06-13
437 517 617 627 737 111-317
1.Reamer bits for soft,hard rock 2.Size:up to 1700mm3.Certified by ISO,API 4.High quality best price 5.Timely deliver
2013-09-14
1Certified by ISO9001&API 2Used for water well, oil field 3.bits sizes range from 3 7/8'-26' 4.type:3-8blades 5.delivery on
2013-08-11
from 4 1/8- 8 1/2
1Certified by ISO9001&API 2Used for water well, oil field 3.bits sizes range from 3 7/8'-8 1/2' 4.delivery on
2013-08-02
3 1/2~ 61/2in
1Certified by ISO9001&API 2Used for water well, oil field 3.bits sizes range from 3 7/8'-26' 4.type:3-8blades
2013-08-01
1)used for oil filed, waterwell 2)certified by ISO9001&API3)competitive price 4)high reliability and long working life5)new type of lubricatio
2013-09-15
single type
1.tci single core bit 2.for water,ore mining ,oil well 3.the best price and high quality
2013-07-04
3 1/2~ 6 1/2in
2013-08-30
1Certified by ISO9001&API 2Used for water well, oil field 3.bits sizes range from 3 7/8'-8 1/2' 4..delivery on