| Vendor | Spec | Unit | Price | Currency | Date |
| Chongqing Jianfeng Chem | China national standards | MT | 976.76 | USD | 20260421 |
| Chongqing Jianfeng Chem | China national standards | MT | 1195.65 | 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 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260317 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260313 | |
| Chongqing Jianfeng Chem | China national standards | MT | USD | 20260312 |