| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.07 | USD | 20251126 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.07 | USD | 20251126 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.87 | USD | 20251125 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.87 | USD | 20251125 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.74 | USD | 20251124 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.74 | USD | 20251124 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |