| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Hanyue Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Hanyue Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Nantong Zhonghe Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Zhongke Taihua | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Zhongke Taihua | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Zhongke Taihua | China national standards | MT | 947.85 | USD | 20251211 |
| Tangshan Huayi | China national standards | MT | 891.27 | USD | 20251211 |