| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.2 | USD | 20250924 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250924 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1336.95 | USD | 20250923 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1407.32 | USD | 20250923 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1773.22 | USD | 20250923 |