| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Shandong Xima | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Zhongke Taihua | China national standards | MT | 945.26 | USD | 20251031 |
| Zibo Lishuo Chem | China national standards | MT | 818.28 | USD | 20251031 |
| Jinan Angxin Chem | China national standards | MT | 818.28 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Xima | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Qiangsen Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Shandong Jinwen Chem | China national standards | MT | 853.56 | USD | 20251031 |
| Shandong Laya Chem | China national standards | MT | 747.74 | USD | 20251031 |