| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.67 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.18 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 477.85 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.18 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 477.85 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.18 | USD | 20250926 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 477.85 | USD | 20250926 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.2 | USD | 20250926 |