| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1312.52 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 1312.52 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1256.78 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Nanjing Runsheng Petro | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Jinwen Chem | China national standards | MT | 1044.96 | USD | 20251117 |