| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.69 | USD | 20250626 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 502.65 | USD | 20250626 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 502.65 | USD | 20250626 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.69 | USD | 20250626 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 502.65 | USD | 20250626 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.69 | USD | 20250626 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 627.9 | USD | 20250625 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 502.32 | USD | 20250625 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 488.36 | USD | 20250625 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 502.32 | USD | 20250625 |