| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.6 | USD | 20251024 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.5 | USD | 20251024 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.67 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.77 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.15 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.05 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.46 | USD | 20251021 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.56 | USD | 20251021 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1225.82 | USD | 20251020 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1211.73 | USD | 20251020 |