| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1171.24 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Zhiheng | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1178.83 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1214.12 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 1242.36 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1094.12 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1171.77 | USD | 20251112 |