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PetroMaterials Co. has been authorized to use the following certificates:
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PetroMaterials Co. (QHD) API Certificate
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| API Monogram |
| Certification # ：7-0474 |
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| ISO9001-2000 Quality Management System Certificates |
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| Arnco Certified Applicator Certificate to PMC(QHD) |
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Japan Petropipe Co. Ltd. API Certificates
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| ISO9001-2000 Quality Management System Certificates |
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