| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.38 | USD | 20251126 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.17 | USD | 20251125 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.29 | USD | 20251125 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.02 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.14 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.83 | USD | 20251122 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.94 | USD | 20251122 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.94 | USD | 20251121 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.83 | USD | 20251121 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.62 | USD | 20251120 |