| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.86 | USD | 20251104 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.76 | USD | 20251104 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.88 | USD | 20251103 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.99 | USD | 20251103 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.9 | USD | 20251102 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251102 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251101 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 507.9 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.9 | USD | 20251030 |