| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250920 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1075.53 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1075.53 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250919 |