| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 819.26 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 840.44 | USD | 20251126 |
| Lihuayi Shandong | China national standards | MT | 889.88 | USD | 20251126 |
| Aite Zhejiang | China national standards | MT | 1073.51 | USD | 20251126 |
| Aite Zhejiang | China national standards | MT | 1031.13 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 840.44 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 819.26 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 819.26 | USD | 20251126 |