| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 492.62 | USD | 20251011 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 506.7 | USD | 20251011 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 492.62 | USD | 20251010 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 506.7 | USD | 20251010 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 505.96 | USD | 20250928 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 491.9 | USD | 20250928 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 505.96 | USD | 20250927 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 491.9 | USD | 20250927 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 505.96 | USD | 20250926 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 491.9 | USD | 20250926 |