| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.04 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.04 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1069.7 | USD | 20251010 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.32 | USD | 20251010 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251010 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |