| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | Industrial Grade | MT | 874.72 | USD | 20251031 |
| Shandong Wells Chem | China national standards | MT | 818.28 | USD | 20251031 |
| Shandong Zhiheng | China national standards | MT | 1015.8 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 952.31 | USD | 20251031 |
| Shandong Yushuo Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Jinan Angxin Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 902.93 | USD | 20251031 |
| Shanghai Ronghe Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 902.93 | USD | 20251031 |
| Shandong Aite Chem | China national standards | MT | 917.04 | USD | 20251031 |