| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.41 | USD | 20251114 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.41 | USD | 20251114 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.12 | USD | 20251113 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.12 | USD | 20251113 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.36 | USD | 20251112 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.36 | USD | 20251112 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.11 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.11 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.19 | USD | 20251110 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.19 | USD | 20251110 |