| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 2141.76 | USD | 20260423 |
| Shandong Luxi Chem | China national standards | MT | USD | 20260410 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260407 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260402 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260401 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260114 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260112 | |
| Hubei Xingfa Chem | China national standards | MT | USD | 20260106 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260106 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20260105 |