| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1195.36 | USD | 20250827 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.17 | USD | 20250827 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1019.58 | USD | 20250827 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1054.73 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.42 | USD | 20250827 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1194.02 | USD | 20250826 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 927.12 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 983.31 | USD | 20250826 |