| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1018.95 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |