| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1171.39 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251028 |
| Changzhou Juyun Mat | China national standards | MT | 1354.86 | USD | 20251028 |
| Changzhou Juyun Mat | China national standards | MT | 1354.86 | USD | 20251028 |
| Changzhou Juyun Mat | China national standards | MT | 1340.75 | USD | 20251028 |
| Sinopec | China national standards | MT | 1100.44 | USD | 20251027 |
| Lihuayi Shandong | China national standards | MT | 1245.75 | USD | 20251027 |
| Sinopec | China national standards | MT | 1248.57 | USD | 20251027 |
| Sinopec | China national standards | MT | 909.98 | USD | 20251027 |