| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 1122.04 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1073.99 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 989.2 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 1073.99 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |