| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Sinopec | China national standards | MT | 777.23 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 883.22 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 862.02 | USD | 20251208 |
| Shandong Xima | China national standards | MT | 791.36 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 1031.6 | USD | 20251208 |