| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.61 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | 40% | MT | 476.46 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.48 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.48 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | 40% | MT | 476.71 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 490.73 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.94 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 504.75 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.73 | USD | 20250818 |