| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 943.73 | USD | 20251015 |
| Jinan Angxin Chem | China national standards | MT | 943.73 | USD | 20251015 |
| Lihuayi Shandong | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Xima | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Qiangsen Chem | China national standards | MT | 985.98 | USD | 20251015 |
| Aite Zhejiang | China national standards | MT | 1028.24 | USD | 20251015 |
| Aite Zhejiang | China national standards | MT | 1070.5 | USD | 20251015 |
| Shandong Fusheng | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Fusheng | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 1042.33 | USD | 20251015 |