| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.19 | USD | 20250904 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.05 | USD | 20250904 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.9 | USD | 20250904 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.9 | USD | 20250904 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1168.16 | USD | 20250904 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.38 | USD | 20250904 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.19 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.19 | USD | 20250904 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.12 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250902 |