| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.41 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 925.22 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1610.31 | USD | 20251202 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.56 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1186.54 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.67 | USD | 20251202 |