| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | 40% | MT | 476.07 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 504.07 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.09 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.07 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.16 | USD | 20250811 |