| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1055.4 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1196.12 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.17 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.17 | USD | 20250827 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1195.36 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.29 | USD | 20250827 |