| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1173.0 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1095.27 | USD | 20251201 |
| Wudi Xinyue Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1342.59 | USD | 20251201 |
| Jinan Qi Mat | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1130.6 | USD | 20251201 |
| Shinghwa AdvMat | China national standards | MT | 1215.39 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1115.99 | USD | 20251130 |
| Jinan Qi Mat | China national standards | MT | 1115.99 | USD | 20251130 |
| Dongying HuataiChem | China national standards | MT | 1115.99 | USD | 20251130 |