| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.12 | USD | 20251112 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.0 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.89 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.96 | USD | 20251110 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.07 | USD | 20251110 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.1 | USD | 20251107 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.22 | USD | 20251107 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.9 | USD | 20251106 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.75 | USD | 20251105 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.65 | USD | 20251105 |