| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20241213 | |
| Wanhua Chem | China national standards | MT | USD | 20241213 | |
| Heze Jinhai | China national standards | MT | USD | 20241213 | |
| Shouguang Luqing | China national standards | MT | USD | 20241213 | |
| Ningxia ENERGY | China national standards | MT | USD | 20241213 | |
| CNPC | China national standards | MT | USD | 20241213 | |
| Panjin Huajin | China national standards | MT | USD | 20241213 | |
| Dalian Hengli | China national standards | MT | USD | 20241213 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 |
