| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongshuo Chem | China national standards | MT | 254.37 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 310.89 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 228.93 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 228.93 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 228.93 | USD | 20251208 |
| Shandong Xingpeng Chem | China national standards | MT | 317.96 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 240.24 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 346.22 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 282.63 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 228.93 | USD | 20251208 |