| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.66 | USD | 20250817 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.66 | USD | 20250817 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250816 |