| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.74 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.74 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.37 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.59 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.66 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.33 | USD | 20251013 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.33 | USD | 20251013 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.91 | USD | 20251013 |