| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 641.48 | USD | 20251021 |
| Satellite Chem | China national standards | MT | 568.17 | USD | 20251021 |
| Sinopec | China national standards | MT | 578.03 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 592.13 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 563.94 | USD | 20251021 |
| CNPC | China national standards | MT | 563.94 | USD | 20251021 |
| Sinopec | China national standards | MT | 563.94 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 606.23 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 606.23 | USD | 20251021 |
| Jinan Qi Mat | China national standards | MT | 521.64 | USD | 20251021 |