| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 872.2 | USD | 20250918 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 872.2 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.17 | USD | 20250916 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.77 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 570.21 | USD | 20250916 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.69 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.94 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.57 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.97 | USD | 20250915 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.5 | USD | 20250915 |