| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.57 | USD | 20251119 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.57 | USD | 20251119 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.94 | USD | 20251117 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.94 | USD | 20251117 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.88 | USD | 20251114 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.88 | USD | 20251114 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.62 | USD | 20251113 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.62 | USD | 20251113 |