| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.11 | USD | 20250921 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250921 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 941.96 | USD | 20250920 |