| Vendor | Spec | Unit | Price | Currency | Date |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 922.1 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 896.87 | USD | 20250819 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 764.14 | USD | 20250818 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 757.13 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 869.3 | USD | 20250818 |