| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251113 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.12 | USD | 20251112 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.24 | USD | 20251112 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.67 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.56 | USD | 20251111 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.73 | USD | 20251110 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251110 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.07 | USD | 20251107 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.19 | USD | 20251107 |