| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.43 | USD | 20251101 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.32 | USD | 20251101 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.43 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.32 | USD | 20251031 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.7 | USD | 20251030 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.59 | USD | 20251030 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.07 | USD | 20251029 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251028 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.73 | USD | 20251028 |