| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 928.24 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 928.24 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 928.24 | USD | 20251009 |
| Nantong Zhonghe Chem | China national standards | MT | 956.37 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 1054.82 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 1054.82 | USD | 20251009 |