| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.2 | USD | 20250702 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.2 | USD | 20250702 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.17 | USD | 20250702 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.2 | USD | 20250702 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.17 | USD | 20250702 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.17 | USD | 20250702 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.28 | USD | 20250701 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.26 | USD | 20250701 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.26 | USD | 20250701 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 629.07 | USD | 20250701 |