| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 1016.59 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Shuojia Chem | Industrial Grade | MT | 847.16 | USD | 20251114 |
| Shandong Daoqin Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Nanjing Runsheng Petro | China national standards | MT | 1553.12 | USD | 20251114 |
| Hubei 789 Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Guangzhou Tianyue Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 847.16 | USD | 20251114 |
| Shandong Fusheng | Industrial Grade | MT | 797.74 | USD | 20251114 |
| Shandong Zhiheng | China national standards | MT | 1016.59 | USD | 20251114 |