| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 833.4 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 720.4 | USD | 20251202 |
| Liao Jinxinda | China national standards | MT | 720.4 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Nantong Zhonghe Chem | China national standards | MT | 805.15 | USD | 20251202 |
| Jinan Aochen Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 713.34 | USD | 20251202 |
| PetroChina | China national standards | MT | 847.53 | USD | 20251202 |