| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 591.82 | USD | 20251016 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 591.59 | USD | 20251015 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 591.37 | USD | 20251014 |