| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.41 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.57 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250912 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.09 | USD | 20250912 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 900.98 | USD | 20250911 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.9 | USD | 20250911 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.22 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.22 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.56 | USD | 20250909 |