| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.83 | USD | 20251112 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.83 | USD | 20251112 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.61 | USD | 20251111 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.61 | USD | 20251111 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.68 | USD | 20251110 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.68 | USD | 20251110 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.81 | USD | 20251107 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.81 | USD | 20251107 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.62 | USD | 20251106 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 458.62 | USD | 20251106 |