| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 523.44 | USD | 20251211 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 523.44 | USD | 20251211 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.95 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.95 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.8 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.8 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.86 | USD | 20251208 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.86 | USD | 20251208 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.98 | USD | 20251205 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.98 | USD | 20251205 |