| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.63 | USD | 20251030 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.8 | USD | 20251029 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.69 | USD | 20251028 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.49 | USD | 20251027 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.1 | USD | 20251024 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.18 | USD | 20251023 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 584.89 | USD | 20251022 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.08 | USD | 20251021 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 584.73 | USD | 20251020 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 591.97 | USD | 20251017 |