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Name | API | ISO9001 | Patent | Patent | Patent |
Number | 7-1-1242 | 0350415020464ROS | ZL201420793585.2 | ZL201420803095.6 | ZL201520728181.X |
Scope | Roller Bits | Drilling bits, PDC drill processing and services. | A type of replaceable hole opener | A type of hole opener | A type of roller cones |
Verify Site | www.api.org/ compositelist. | www.xqcc.com.cn | -- | -- | -- |
Expiry Date | September, 18,2018 | Nov.17,2018 | -- | -- | -- |
TCI tricone bits(Metal-face sealed bearing ) | TCI tricone bits(Elastomer sealed bearing ) | Steel tooth tricone bits(Elastomer sealed bearing) | PDC bits | Hole openers | Roller cones |
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