| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1413.35 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1215.48 | USD | 20251203 |
| Shandong Jinling Chem | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1484.02 | USD | 20251203 |
| Dongying Huatai Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Yuxuan Chem | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1155.47 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1433.74 | USD | 20251202 |