5451081
| Certification Number | 5451081 |
| Company Name | Hebei Chunhus Bit Manufacturing Co. |
| Standard | API Spec 7-1, 2nd ed., Including Addendum 1, Mar 2025
API Spec 7-2, 2nd ed., Including Addendum 2, Sep 2023 |
| Scope of Certificate | PDC Bits (4⅛″, 6⅛″, 8½″, 12¼″, 17½″)
PDC Core Bits (6⅛″, 8⅜″) Roller Cone Bits (8½″ – IADC 117,517, 12¼″– IADC 137,517, 17½″ – IADC 117,417, 26″) |
| Issue Date/ Surveillance Date | 27 Jun. 2025 |
| Validation Date | 26 Jun. 2026 |
| Status | VALID |