| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.5 | USD | 20251126 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| China national standards | MT | 395.5 | USD | 20251126 | |
| China national standards | MT | 296.63 | USD | 20251126 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.44 | USD | 20251126 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 398.33 | USD | 20251126 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.88 | USD | 20251126 |
| China national standards | MT | 324.88 | USD | 20251126 |