| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1041.31 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.78 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.67 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.36 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.33 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.98 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |