| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 953.94 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.54 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.76 | USD | 20251201 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.53 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| China national standards | MT | 911.54 | USD | 20251201 | |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1681.76 | USD | 20251201 |