| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1058.35 | USD | 20251106 |
| Zaozhuang Yitai | China national standards | MT | 1058.35 | USD | 20251106 |
| PetroChina | China national standards | MT | 846.68 | USD | 20251106 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.68 | USD | 20251106 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.68 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 726.73 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 726.73 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 726.73 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 726.73 | USD | 20251106 |
| Nantong Zhonghe Chem | China national standards | MT | 804.35 | USD | 20251106 |