| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.78 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.78 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.34 | USD | 20251210 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.34 | USD | 20251210 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.21 | USD | 20251209 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.21 | USD | 20251209 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.37 | USD | 20251205 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.37 | USD | 20251205 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.47 | USD | 20251204 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.47 | USD | 20251204 |