| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.54 | USD | 20251121 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.29 | USD | 20251120 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.56 | USD | 20251119 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.69 | USD | 20251118 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.03 | USD | 20251117 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.95 | USD | 20251114 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.62 | USD | 20251113 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.89 | USD | 20251112 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.61 | USD | 20251111 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.69 | USD | 20251110 |