| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1209.57 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 1343.97 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 1230.8 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 1117.62 | USD | 20251211 |