| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |