| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.47 | USD | 20251026 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 451.16 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 394.77 | USD | 20251025 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 239.68 | USD | 20251025 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.68 | USD | 20251025 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.32 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.42 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.52 | USD | 20251024 |