| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1215.84 | USD | 20251204 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.98 | USD | 20251204 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.61 | USD | 20251203 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1215.48 | USD | 20251203 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1228.92 | USD | 20251202 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.53 | USD | 20251201 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1215.39 | USD | 20251201 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.0 | USD | 20251128 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251128 |