| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20250930 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |