| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.04 | USD | 20251129 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251129 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.83 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251129 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 960.6 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.04 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1257.26 | USD | 20251129 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251129 |