| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1041.43 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1042.14 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 915.39 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.7 | USD | 20250909 |