| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1055.62 | USD | 20251012 |
| Qingdao Shengze Chem | China national standards | MT | 1055.62 | USD | 20251012 |
| Shandong Yaowang Chem | China national standards | MT | 1135.15 | USD | 20251012 |
| Shandong Xingpeng Chem | China national standards | MT | 1076.74 | USD | 20251012 |
| Qingdao Shengze Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Qingdao Shengze Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Shandong Jinling Chem | China national standards | MT | 1055.62 | USD | 20251011 |
| Dongying HuataiChem | China national standards | MT | 1055.62 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1337.12 | USD | 20251011 |
| Shinghwa AdvMat | China national standards | MT | 1224.52 | USD | 20251011 |