| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1089.22 | USD | 20250926 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1183.38 | USD | 20250926 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1117.33 | USD | 20250926 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1076.6 | USD | 20250925 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1045.64 | USD | 20250925 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1027.34 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |
| Befar Group Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |