| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.76 | USD | 20251127 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.78 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.49 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.16 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.16 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 875.97 | USD | 20251127 |