| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1342.59 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 900.24 | USD | 20251201 |
| Shaanxi Yanchang Petro | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 900.24 | USD | 20251201 |
| Sinopec | China national standards | MT | 889.97 | USD | 20251130 |
| Jinan Qi Mat | China national standards | MT | 889.97 | USD | 20251130 |
| Sinopec | China national standards | MT | 889.97 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 892.79 | USD | 20251130 |
| Jinan Qi Mat | China national standards | MT | 889.97 | USD | 20251130 |
| Sinopec | China national standards | MT | 889.97 | USD | 20251130 |