| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 324.74 | USD | 20251114 |
| China national standards | MT | 389.69 | USD | 20251114 | |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.12 | USD | 20251113 |
| China national standards | MT | 324.56 | USD | 20251113 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.56 | USD | 20251113 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.23 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.78 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.06 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.12 | USD | 20251113 |