| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.73 | USD | 20251016 |
| China national standards | MT | 422.73 | USD | 20251016 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.54 | USD | 20251016 |
| China national standards | MT | 295.91 | USD | 20251016 | |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 394.54 | USD | 20251016 |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 394.54 | USD | 20251016 |
| China national standards | MT | 369.18 | USD | 20251016 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.27 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.5 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.54 | USD | 20251016 |