| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.28 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.28 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.28 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.28 | USD | 20250919 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |