| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251027 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.89 | USD | 20251027 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.56 | USD | 20251024 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.46 | USD | 20251024 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.63 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.53 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.28 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.37 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.44 | USD | 20251021 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.54 | USD | 20251021 |