| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250926 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250926 |