| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.88 | USD | 20251126 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.76 | USD | 20251126 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.36 | USD | 20251125 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.24 | USD | 20251125 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.88 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.0 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.51 | USD | 20251122 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.4 | USD | 20251121 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.51 | USD | 20251121 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.99 | USD | 20251120 |