| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1170.91 | USD | 20251104 |
| Shandong Jinling Chem | China national standards | MT | 1043.94 | USD | 20251104 |
| Dongying HuataiChem | China national standards | MT | 1043.94 | USD | 20251104 |
| Jinan Qi Mat | China national standards | MT | 1043.94 | USD | 20251104 |
| Shandong Mingyu | China national standards | MT | 1213.23 | USD | 20251104 |
| Shandong Jinling Chem | China national standards | MT | 1206.18 | USD | 20251104 |
| Shinghwa AdvMat | China national standards | MT | 1206.18 | USD | 20251104 |
| Shandong Mingyu | China national standards | MT | 1206.18 | USD | 20251104 |
| Shandong Mingyu | China national standards | MT | 1220.29 | USD | 20251104 |
| Shandong Mingyu | China national standards | MT | 1206.18 | USD | 20251104 |