| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 929.2 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.36 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.2 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 929.2 | USD | 20250908 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1168.54 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |