| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1548.1 | USD | 20250930 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 2250.7 | USD | 20250929 |
| Jinan Xinhou Trading Co., Ltd. | China national standards | MT | 2250.7 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2039.7 | USD | 20250929 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2039.7 | USD | 20250929 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Industrial Grade | MT | 2532.04 | USD | 20250929 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1758.36 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1448.89 | USD | 20250929 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1462.95 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.02 | USD | 20250929 |