| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 763.74 | USD | 20250819 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 756.74 | USD | 20250819 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 756.74 | USD | 20250819 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 756.74 | USD | 20250819 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 763.74 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.76 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 868.85 | USD | 20250819 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 756.74 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 896.87 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 915.09 | USD | 20250819 |