| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | Industrial Grade | MT | 903.64 | USD | 20251114 |
| Qingdao Shengze Chem | Industrial Grade | MT | 847.16 | USD | 20251114 |
| Shandong Shuojia Chem | China national standards | MT | 847.16 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 797.74 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 938.93 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Changzhou Qidi Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 847.16 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 953.05 | USD | 20251114 |