| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.33 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Ningbo Zhetie Jiangning Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |