| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1521.81 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1352.72 | USD | 20251016 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1141.36 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1521.81 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1479.54 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1606.36 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.36 | USD | 20251016 |