| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |