| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.6 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.68 | USD | 20250913 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 788.52 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.68 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.68 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 704.04 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.6 | USD | 20250913 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.02 | USD | 20250909 |