| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.69 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.69 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |