| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 875.4 | USD | 20251115 |
| Hualu Holdings | China national standards | MT | 1313.1 | USD | 20251115 |
| Jinan Qi Mat | China national standards | MT | 818.92 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.16 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.16 | USD | 20251115 |
| Shandong Yuxuan Chem | China national standards | MT | 1009.53 | USD | 20251115 |
| Shandong Hongyang Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Nanjing Runsheng Petro | China national standards | MT | 889.52 | USD | 20251114 |