| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 938.44 | USD | 20250804 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.45 | USD | 20250804 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.09 | USD | 20250802 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 937.12 | USD | 20250802 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.09 | USD | 20250801 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.09 | USD | 20250801 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.09 | USD | 20250801 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 951.1 | USD | 20250801 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.09 | USD | 20250801 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 937.12 | USD | 20250801 |