| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 438.08 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 409.81 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 1045.73 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 438.08 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 537.0 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 544.06 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 423.94 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 423.94 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 423.94 | USD | 20251208 |