| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| China national standards | MT | 939.62 | USD | 20251209 | |
| China national standards | MT | 939.62 | USD | 20251209 | |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.36 | USD | 20251209 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 925.49 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 946.69 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |