| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Mingyu | China national standards | MT | 1255.73 | USD | 20251121 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Jinling | China national standards | MT | 1072.31 | USD | 20251121 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251121 |
| Liaocheng Xinli | China national standards | MT | 1044.09 | USD | 20251121 |
| Shandong Yuxuan Chem | China national standards | MT | 1241.62 | USD | 20251121 |
| Shandong Jinling Chem | China national standards | MT | 1206.35 | USD | 20251121 |
| Shandong Mingyu | China national standards | MT | 1255.73 | USD | 20251121 |