| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.12 | USD | 20251030 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.12 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 409.23 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.18 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.41 | USD | 20251030 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.79 | USD | 20251030 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 635.02 | USD | 20251030 |