| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.82 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 865.43 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.96 | USD | 20250828 |