| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | Industrial Grade | MT | 787.31 | USD | 20250921 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250921 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250921 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 731.08 | USD | 20250921 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 646.72 | USD | 20250921 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250921 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 646.72 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |