| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 953.47 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 798.09 | USD | 20251202 |
| Shandong Zhiheng | China national standards | MT | 1017.04 | USD | 20251202 |
| Nanjing Runsheng Petro | China national standards | MT | 1553.8 | USD | 20251202 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 904.03 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Wells Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 946.41 | USD | 20251202 |