| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 500.79 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 500.79 | USD | 20250614 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 500.79 | USD | 20250614 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 500.79 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 486.88 | USD | 20250614 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 486.88 | USD | 20250614 |
| China national standards | MT | 430.0 | USD | 20171223 |