| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.38 | USD | 20250924 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250924 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250924 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 534.78 | USD | 20250924 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 633.29 | USD | 20250924 |