| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1485.44 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1400.56 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1266.16 | USD | 20251211 |
| Hunan Qilu Tech | China national standards | MT | 1229.63 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |