| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.08 | USD | 20250922 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.08 | USD | 20250922 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.02 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.02 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.13 | USD | 20250918 |