| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20251129 | |
| Sinopec | China national standards | MT | USD | 20251129 | |
| CNPC | China national standards | MT | USD | 20251129 | |
| Huaibei Beike | China national standards | MT | USD | 20251128 | |
| Anyang Yutian | China national standards | MT | USD | 20251128 | |
| Ma'anshan Steel | China national standards | MT | USD | 20251128 | |
| Henan Pioneer Chem | China national standards | MT | USD | 20251128 | |
| Puyang SHENGYUAN | China national standards | MT | USD | 20251128 | |
| Puyang OUYA | China national standards | MT | USD | 20251128 | |
| Song Jinyuan | China national standards | MT | USD | 20251128 |
