| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 765.58 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 758.84 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 913.42 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 871.26 | USD | 20250825 |