| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1118.28 | USD | 20260108 |
| Wanhua Chem | China national standards | MT | 1141.07 | USD | 20260108 |
| Wanhua Chem | China national standards | MT | 1112.74 | USD | 20260107 |
| Wanhua Chem | China national standards | MT | 1112.74 | USD | 20260107 |
| Wanhua Chem | China national standards | MT | 1112.74 | USD | 20260107 |
| Wanhua Chem | China national standards | MT | 1089.28 | USD | 20260105 |
| Wanhua Chem | China national standards | MT | 1089.28 | USD | 20260105 |
| Wanhua Chem | China national standards | MT | 1089.28 | USD | 20260105 |
| Unknown | China national standards | MT | 250.0 | USD | 20210323 |
| Unknown | China national standards | MT | 230.0 | USD | 20210323 |