| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.76 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 858.13 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |