| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 826.08 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Zhenkun | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1256.78 | USD | 20251117 |
| Jinan Qi Mat | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Xima | China national standards | MT | 988.48 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 826.08 | USD | 20251117 |
| Shandong Aite Chem | China national standards | MT | 1270.9 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 826.08 | USD | 20251117 |