| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1262.95 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 1114.78 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 1382.89 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1432.28 | USD | 20251111 |
| Shandong Jinmao | China national standards | MT | 1298.22 | USD | 20251111 |
| Shandong Zhenkun | China national standards | MT | 999.07 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1333.5 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1432.28 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1411.11 | USD | 20251111 |
| Shandong Zhenkun | China national standards | MT | 999.07 | USD | 20251111 |