| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 1433.7 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1257.13 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1483.13 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1483.13 | USD | 20251126 |
| Shandong Zhenkun | China national standards | MT | 1000.06 | USD | 20251126 |
| Dongying Huatai Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.88 | USD | 20251126 |