| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 974.66 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.92 | USD | 20251202 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.35 | USD | 20251202 |
| China national standards | MT | 967.6 | USD | 20251202 | |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1052.35 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |
| China national standards | MT | 762.78 | USD | 20251202 | |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |