| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.34 | USD | 20250721 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.36 | USD | 20250721 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.36 | USD | 20250721 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.36 | USD | 20250721 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.36 | USD | 20250721 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 629.18 | USD | 20250721 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.51 | USD | 20250719 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.51 | USD | 20250719 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.52 | USD | 20250719 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.51 | USD | 20250719 |