| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2180.37 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.54 | USD | 20250902 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2152.75 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.07 | USD | 20250901 |