| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 703.96 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.85 | USD | 20250916 |
| Jinan Qiwei Chemical Co., Ltd. | China national standards | MT | 599.77 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |