| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 395.99 | USD | 20260603 |
| Shandong Hualu | China national standards | MT | USD | 20260519 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260519 | |
| Shandong Hualu | China national standards | MT | USD | 20260427 | |
| Shandong Hualu | China national standards | MT | USD | 20260422 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260416 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260305 | |
| Shanghai Shengyishe | China national standards | MT | USD | 20260105 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251211 | |
| Zhangzhou Sanan Chem | China national standards | MT | USD | 20251211 |