| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1200.92 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1123.21 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1094.96 | USD | 20251127 |
| Hunan Qilu Tech | China national standards | MT | 1257.44 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1189.62 | USD | 20251127 |
| Aite Zhejiang | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1172.66 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Qiangsen Chem | China national standards | MT | 988.99 | USD | 20251127 |
| Shandong Zhiheng | China national standards | MT | 1130.28 | USD | 20251127 |