IADC131 - 1 ad
Friday, December 13, 2024
Roller Cone Bits There are rich and diverse roller bits to meet different requirements of formations and rotary speed s. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7. There are not only rubber sealed bearing...
Shaanxi Senwell drilling equipment Co.,Ltd
- lilyjing
- 710065 - xi'an
- 0086 29 85370919
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