| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 1281.27 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1114.76 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1114.76 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1100.65 | USD | 20251103 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.1 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 1171.21 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 987.77 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 1114.76 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 888.99 | USD | 20251103 |
| Lihuayi Weiyuan Chem | China national standards | MT | 896.04 | USD | 20251103 |