| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1270.18 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 889.13 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 889.13 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 917.35 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 917.35 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 903.24 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 903.24 | USD | 20251028 |
| Shandong Hualu | China national standards | MT | 959.69 | USD | 20251028 |
| Nanjing Waien Chem | China national standards | MT | 952.64 | USD | 20251028 |
| Shandong Fusheng | China national standards | MT | 1100.82 | USD | 20251028 |