| Vendor | Spec | Unit | Price | Currency | Date |
| Chongqing Jianfeng Chem | China national standards | MT | 865.27 | USD | 20260602 |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260526 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260427 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260421 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260415 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260402 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260401 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260327 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260323 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260319 |