| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 703.18 | USD | 20250922 |
| Shandong Fusheng | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Zhongke Taihua | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Zhongke Taihua | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Zhongke Taihua | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 886.0 | USD | 20250922 |