| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 917.35 | USD | 20251110 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 903.5 | USD | 20251109 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 931.73 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 974.08 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 974.08 | USD | 20251109 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1270.54 | USD | 20251109 |
| China national standards | MT | 1101.14 | USD | 20251109 | |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 945.85 | USD | 20251108 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 988.2 | USD | 20251108 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 875.26 | USD | 20251108 |