| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2143.34 | USD | 20250820 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 791.77 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 770.75 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 840.82 | USD | 20250819 |