| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.54 | USD | 20250925 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.8 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 812.02 | USD | 20250924 |