| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.86 | USD | 20251107 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.62 | USD | 20251106 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.32 | USD | 20251105 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.46 | USD | 20251104 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.6 | USD | 20251103 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 585.5 | USD | 20251031 |