| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.47 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.77 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.91 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1246.9 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |