| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1181.28 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Hangjin Tech | China national standards | MT | 1089.32 | USD | 20251211 |
| Dongying HuataiChem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1177.04 | USD | 20251211 |
| Dongying HuataiChem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |