| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250303 | |
| Dalian Fujia | China national standards | MT | USD | 20250303 | |
| Huaibei Beike | China national standards | MT | USD | 20241219 | |
| Anyang Yutian | China national standards | MT | USD | 20241219 | |
| Henan Pioneer Chem | China national standards | MT | USD | 20241219 | |
| Puyang Zhonghui | China national standards | MT | USD | 20241219 | |
| Puyang SHENGYUAN | China national standards | MT | USD | 20241219 | |
| Puyang OUYA | China national standards | MT | USD | 20241219 | |
| Song Jinyuan | China national standards | MT | USD | 20241219 | |
| Tengzhou SYH | China national standards | MT | USD | 20241219 |
