| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.89 | USD | 20251120 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.57 | USD | 20251119 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1213.73 | USD | 20251118 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251118 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.54 | USD | 20251117 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251115 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.38 | USD | 20251115 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.38 | USD | 20251114 |