| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 228.9 | USD | 20251209 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 228.93 | USD | 20251208 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.22 | USD | 20251207 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.22 | USD | 20251206 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.22 | USD | 20251205 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.27 | USD | 20251204 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.2 | USD | 20251203 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.07 | USD | 20251202 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 233.19 | USD | 20251201 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 261.17 | USD | 20251108 |