| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Fusheng | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Yaoming Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1102.43 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1257.9 | USD | 20251210 |