| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.58 | USD | 20251205 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.71 | USD | 20251204 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.54 | USD | 20251203 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.21 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.5 | USD | 20251201 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.25 | USD | 20251128 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.33 | USD | 20251127 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.19 | USD | 20251126 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.94 | USD | 20251125 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.77 | USD | 20251124 |