| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 865.83 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.56 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.11 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.56 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.56 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.11 | USD | 20250830 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 788.4 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.11 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.11 | USD | 20250830 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.11 | USD | 20250830 |