| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 889.01 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 1058.35 | USD | 20251106 |
| Nantong Zhonghe Chem | China national standards | MT | 917.24 | USD | 20251106 |
| Shanghai SinoMitsui | China national standards | MT | 888.56 | USD | 20251105 |
| Sinopec | China national standards | MT | 888.56 | USD | 20251105 |
| Unknown | China national standards | MT | 878.69 | USD | 20251105 |
| Unknown | China national standards | MT | 888.56 | USD | 20251105 |
| Unknown | China national standards | MT | 891.38 | USD | 20251105 |
| Unknown | China national standards | MT | 888.56 | USD | 20251105 |
| Shandong Mingyu | China national standards | MT | 1050.76 | USD | 20251105 |