| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 914.1 | USD | 20250827 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 885.32 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 885.32 | USD | 20250825 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 913.42 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 941.53 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 883.33 | USD | 20250823 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 967.46 | USD | 20250823 |