| Vendor | Spec | Unit | Price | Currency | Date |
| Chongqing Jianfeng Chem | China national standards | MT | 768.27 | USD | 20260104 |
| Chongqing Jianfeng Chem | China national standards | MT | 768.27 | USD | 20260104 |
| Chongqing Jianfeng Chem | China national standards | MT | 768.27 | USD | 20260104 |
| Chongqing Jianfeng Chem | China national standards | MT | 760.5 | USD | 20251230 |
| Chongqing Jianfeng Chem | China national standards | MT | 760.5 | USD | 20251230 |