| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251102 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251102 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251101 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251101 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.01 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.13 | USD | 20251030 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.13 | USD | 20251030 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.28 | USD | 20251029 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.28 | USD | 20251029 |