| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.2 | USD | 20251011 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.2 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1350.17 | USD | 20251009 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.07 | USD | 20250930 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250926 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250925 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250924 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250923 |