| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinmao | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1412.97 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1335.25 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1434.16 | USD | 20251209 |