| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1096.4 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 1216.65 | USD | 20251211 |
| Hangjin Tech | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1202.5 | USD | 20251211 |
| Dongying HuataiChem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Yuxuan Chem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 1216.65 | USD | 20251211 |