| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1072.31 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Xingpeng Chem | China national standards | MT | 1079.37 | USD | 20251123 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251123 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251122 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 1241.62 | USD | 20251122 |
| Shandong Xima | China national standards | MT | 959.44 | USD | 20251122 |