| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 296.81 | USD | 20251210 | |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| China national standards | MT | 296.72 | USD | 20251209 | |
| China national standards | MT | 389.98 | USD | 20251209 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.5 | USD | 20251209 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.24 | USD | 20251209 |
| China national standards | MT | 395.63 | USD | 20251209 | |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 381.5 | USD | 20251209 |