| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 931.47 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 907.47 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1114.94 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251118 |