| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.17 | USD | 20251110 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.28 | USD | 20251110 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251110 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 374.0 | USD | 20251110 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.17 | USD | 20251110 |
| China national standards | MT | 423.39 | USD | 20251110 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.39 | USD | 20251110 |