| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.67 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1237.59 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |