| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.43 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.85 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.26 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.42 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.95 | USD | 20250830 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.95 | USD | 20250830 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.95 | USD | 20250829 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.42 | USD | 20250829 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.95 | USD | 20250829 |