| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.51 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 788.11 | USD | 20250915 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.84 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.52 | USD | 20250913 |