| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Nantong Zhonghe Chem | China national standards | MT | 693.21 | USD | 20251211 |
| JIN Yimeng | China national standards | MT | 704.52 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 704.52 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 749.79 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 636.62 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 636.62 | USD | 20251211 |