| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.54 | USD | 20251021 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.44 | USD | 20251021 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.15 | USD | 20251020 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.24 | USD | 20251020 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.41 | USD | 20251019 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.31 | USD | 20251019 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.31 | USD | 20251018 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.41 | USD | 20251018 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.41 | USD | 20251017 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.31 | USD | 20251017 |