| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1245.51 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1196.26 | USD | 20250930 |
| Shandong Yuhuang Chem | China national standards | MT | 1365.14 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 1294.77 | USD | 20250930 |
| Changzhou Juyun Mat | China national standards | MT | 1336.99 | USD | 20250930 |
| Changzhou Juyun Mat | China national standards | MT | 1351.07 | USD | 20250930 |
| Zibo Lishuo Chem | China national standards | MT | 985.15 | USD | 20250930 |