| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 989.36 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 2162.45 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 2162.45 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Shaanxi Petro Yanan | China national standards | MT | 1064.27 | USD | 20251210 |