| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 1315.68 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1032.74 | USD | 20251211 |
| Lihuayi Shandong | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 919.56 | USD | 20251211 |