| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 791.08 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 819.34 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 1031.23 | USD | 20251129 |
| Zibo Lishuo Chem | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 791.08 | USD | 20251129 |
| Wanhua Chem | China national standards | MT | 1031.23 | USD | 20251129 |
| Wanhua Chem | China national standards | MT | 1045.36 | USD | 20251129 |