| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 896.97 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |