| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 977.41 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 977.11 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1034.28 | USD | 20250906 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1034.45 | USD | 20250904 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1055.27 | USD | 20250901 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1051.35 | USD | 20250814 |