| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 324.07 | USD | 20251020 |
| Shijiazhuang Baipo Chem | China national standards | MT | 311.39 | USD | 20251020 |
| Shandong Shuntian Chem | China national standards | MT | 309.98 | USD | 20251020 |
| Nantong Zhonghe Chem | China national standards | MT | 388.88 | USD | 20251020 |
| Shandong Yuxuan Chem | China national standards | MT | 324.07 | USD | 20251020 |
| Shandong Hualu | China national standards | MT | 317.02 | USD | 20251020 |
| Shandong Shuntian Chem | China national standards | MT | 307.26 | USD | 20251017 |
| Nantong Zhonghe Chem | China national standards | MT | 389.01 | USD | 20251017 |
| Shandong Hualu | China national standards | MT | 317.13 | USD | 20251017 |
| Shijiazhuang Baipo Chem | China national standards | MT | 311.49 | USD | 20251017 |