| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 889.13 | USD | 20251028 |
| Shandong Jinwen Chem | China national standards | MT | 853.84 | USD | 20251028 |
| Shandong Jinwen Chem | China national standards | MT | 853.84 | USD | 20251028 |
| Shandong Xima | China national standards | MT | 705.66 | USD | 20251028 |
| Shandong Xima | China national standards | MT | 705.66 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 804.45 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 804.45 | USD | 20251028 |
| Shandong Zhongke Taihua | China national standards | MT | 945.58 | USD | 20251028 |
| Shandong Zhongke Taihua | China national standards | MT | 945.58 | USD | 20251028 |
| Shandong Zhongke Taihua | China national standards | MT | 945.58 | USD | 20251028 |