| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.25 | USD | 20251011 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.25 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.72 | USD | 20251011 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.72 | USD | 20251011 |