| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 506.59 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.52 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.52 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.21 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | 40% | MT | 478.15 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.21 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.21 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 632.84 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 506.27 | USD | 20250827 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.21 | USD | 20250827 |