| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.52 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1224.99 | USD | 20251014 |