| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 925.81 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 904.61 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 749.13 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 749.13 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 763.26 | USD | 20251205 |