| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.46 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 506.53 | USD | 20250901 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.46 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | 40% | MT | 478.39 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.16 | USD | 20250901 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.46 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.75 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.54 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.75 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 506.83 | USD | 20250830 |