| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.64 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 901.07 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.11 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 936.26 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 943.3 | USD | 20250916 |