| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |