| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1044.02 | USD | 20251031 |
| Befar | China national standards | MT | 888.83 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Dongying HuataiChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Jiaen Chem | China national standards | MT | 1180.87 | USD | 20251031 |
| Shandong Yuxuan Chem | China national standards | MT | 1312.08 | USD | 20251031 |
| Qingdao Chengxin Chem | China national standards | MT | 1072.23 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1340.29 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1340.29 | USD | 20251031 |