| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.32 | USD | 20251026 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251026 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 648.55 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 845.93 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 845.93 | USD | 20251025 |