| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shanxi Woenergy | China national standards | MT | USD | 20251024 | |
| CNPC | China national standards | MT | USD | 20251024 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251024 | |
| Nanjing Baitu Chem | China national standards | MT | USD | 20251024 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251024 | |
| Nanjing Runsheng Petro | China national standards | MT | USD | 20251024 | |
| Chengdu Rongjiaxin Chem | China national standards | MT | USD | 20251024 | |
| Shandong Junfeng | China national standards | MT | USD | 20251024 | |
| Shandong Fusheng | China national standards | MT | USD | 20251024 | |
| Shandong Langchem | China national standards | MT | USD | 20251024 |