| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 805.49 | USD | 20251208 |
| Sinopec | China national standards | MT | 840.82 | USD | 20251208 |
| Shiyou Yangzhou Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Hubei 789 Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 1073.99 | USD | 20251208 |
| Sinopec | China national standards | MT | 819.63 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 819.63 | USD | 20251208 |
| Sinopec | China national standards | MT | 847.89 | USD | 20251208 |
| Hubei 789 Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 847.89 | USD | 20251208 |