| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 942.53 | USD | 20250918 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1294.23 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1294.23 | USD | 20250918 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |