| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 819.12 | USD | 20250812 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 658.1 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 784.12 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 840.12 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 896.13 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 742.11 | USD | 20250812 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 840.12 | USD | 20250812 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 896.13 | USD | 20250812 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 896.13 | USD | 20250812 |