| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1026.94 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 872.2 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.53 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |