| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Dongying Huatai Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Dongying Huatai Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Shandong Junfeng | China national standards | MT | 928.24 | USD | 20251009 |
| Dongying Huatai Chem | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1089.98 | USD | 20251009 |
| Sinopec | China national standards | MT | 1089.98 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1089.98 | USD | 20251009 |
| Shandong Jinling Chem | China national standards | MT | 1089.98 | USD | 20251009 |