| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.06 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.02 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.63 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.63 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.89 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.89 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.89 | USD | 20251209 |