| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 629.66 | USD | 20250728 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.73 | USD | 20250728 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 489.74 | USD | 20250728 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 503.73 | USD | 20250728 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.07 | USD | 20250726 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 504.07 | USD | 20250726 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 504.07 | USD | 20250726 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.08 | USD | 20250726 |