| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1250.26 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1072.46 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1250.83 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1174.59 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 1044.71 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1072.95 | USD | 20251112 |