| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251106 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.17 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.41 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 451.56 | USD | 20251106 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 423.34 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251106 |