| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 719.61 | USD | 20251119 |
| Shandong Aite Chem | China national standards | MT | 1114.69 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 712.55 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 712.55 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 719.61 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 712.55 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 804.27 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 790.16 | USD | 20251119 |
| Shandong Mingyu | China national standards | MT | 924.2 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 776.05 | USD | 20251119 |