| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Shuntian Chem | China national standards | MT | 346.07 | USD | 20251202 |
| Shandong Hualu | China national standards | MT | 322.22 | USD | 20251201 |
| Shijiazhuang Baipo Chem | China national standards | MT | 349.07 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 353.31 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 390.06 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 551.17 | USD | 20251201 |
| Shandong Shuntian Chem | China national standards | MT | 346.25 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 353.31 | USD | 20251201 |