| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 887.22 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.02 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.02 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 788.64 | USD | 20250909 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 886.96 | USD | 20250908 |