| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Lufeng Chem | China national standards | MT | 801.1 | USD | 20250926 |
| Sinopec | China national standards | MT | 1054.08 | USD | 20250926 |
| Jinan Aochen Chem | China national standards | MT | 1054.08 | USD | 20250926 |
| Lihuayi Shandong | China national standards | MT | 1054.08 | USD | 20250926 |
| Luxi Chem | China national standards | MT | 1054.08 | USD | 20250926 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Luxi Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Lihuayi Shandong | China national standards | MT | 815.16 | USD | 20250926 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Shandong Aite Chem | China national standards | MT | 1068.14 | USD | 20250926 |