| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 826.34 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 826.34 | USD | 20251202 |
| Shandong Xingpeng Chem | China national standards | MT | 833.4 | USD | 20251202 |
| Nantong Zhonghe Chem | China national standards | MT | 847.53 | USD | 20251202 |