| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 974.66 | USD | 20251202 |
| Sinopec | China national standards | MT | 819.28 | USD | 20251202 |
| Sanjiang Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Sinopec | China national standards | MT | 819.28 | USD | 20251202 |
| Sinopec | China national standards | MT | 819.68 | USD | 20251201 |
| Sinopec | China national standards | MT | 805.55 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Sinopec | China national standards | MT | 819.68 | USD | 20251201 |
| Sinopec | China national standards | MT | 819.68 | USD | 20251201 |
| Sanjiang Chem | China national standards | MT | 819.68 | USD | 20251201 |